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Plot summary & ending explained

A Sacrifice (2024) Plot Summary, Ending Explained & Timeline

A Sacrifice (2024) movie poster

A Sacrifice is a 2024 drama and mystery film directed by Jordan Scott, running 1 hour 34 minutes. This page retells the whole story in 899 words (about 4 minutes to read) and covers 13 key events in order, 5 characters, where and when it is set, 3 themes and the ending explained. Looking for the cast, ratings and where to stream it? See the movie page for A Sacrifice.

to read the plot summary
4 min
key events in the timeline
13
characters profiled
5
themes explained
3
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A Sacrifice (2024) movie poster
Released
Runtime
1h 34m
Director
Jordan Scott
Original language
English
No spoilers

What Is A Sacrifice About?

The premise of A Sacrifice in 306 words, with nothing given away. The full story and the ending follow below.

In the restless streets of contemporary Berlin, the city pulses with a blend of historic gravitas and nocturnal energy, a place where academic cafés sit beside dimly lit clubs and the ordinary coexists with whispers of hidden communities. Beneath the veneer of everyday life, an unsettling current hints at secret gatherings and ideas that linger just out of sight, casting a subtle, uneasy glow over the urban landscape.

​Ben Monroe is a driven American social psychologist who has made Berlin his new home while rebuilding after a recent separation. By day he teaches and writes about the mechanics of cults and groupthink, yet his scholarly curiosity is pulled into reality when a series of bizarre events suggests that the very phenomena he studies may be unfolding on the streets he walks. His methodical mind and personal stakes make the investigation feel both professional and intimate, as he navigates academic circles, police briefings, and the city’s shadowed corners.

​Mazzy—Ben’s sixteen‑year‑old daughter—arrives for a semester to live with her father and attend an English school. Eager to carve out her own identity, she is swiftly drawn into Berlin’s underground rave scene, where music, light, and crowds create a world that feels both liberating and mysterious. Among the throbbing beats she encounters enigmatic peers who hint at deeper connections, inviting her to explore a side of the city that is as alluring as it is opaque.

As father and daughter pursue their separate quests—one academic, the other visceral—their paths begin to intersect amid the city’s layered atmosphere. The film balances scholarly intrigue with youthful restless energy, delivering a moody, psychological portrait of a metropolis where personal histories and hidden movements quietly converge. The tone remains tense yet thoughtful, inviting the audience to wonder how far unseen networks can reach into the lives of those who inadvertently stumble upon them.

Full plot

What Happens in A Sacrifice?

The complete story of A Sacrifice, from the first scene to the last, in 899 words (about 4 minutes). Spoilers throughout.

Spoilers ahead

Ben is an American social psychologist living and working in Berlin, trying to rebuild his life following his separation from his wife in California. He spends his days teaching at a local college, researching, and writing books on the workings of cults and how groupthink influences human behavior. His daughter, Mazzy Lizzie Sink, a 16-year-old girl, comes to Berlin to spend a semester with him while attending an English school.

The story begins with a disturbing discovery: a group has carried out a carefully planned mass suicide in a suburban house. Nina, a forensic detective and a member of the police, informs Ben and his colleague Max that the victims took cyanide in shifts to ensure everyone died peacefully, and each body contains a small seashell in the mouth along with a black smear on their cheeks—details that hint at a ritualistic element. Ben, concerned for Mazzy’s safety, asks her to take the train to his apartment, but she becomes confused and meets a young man named Martin, who shows her where to go and introduces himself as someone living nearby. They exchange contact information, and over the following days, Mazzy begins to settle into her new environment, attending school and spending time with Martin.

Meanwhile, Ben continues his investigations, conducting interviews that reveal deeper insights into the cult’s beliefs and practices. One such interview is with a cult member who only speaks behind a closed door, hinting at the group’s secretiveness. Mazzy also befriends a girl named Lotte and explores the city, even engaging in activities like note-sharing over coffee and experimenting with psychedelic mushrooms in the woods. Her interactions with Martin and the cult group deepen her curiosity and sense of connection.

Throughout the story, flashbacks reveal Martin’s background. He lived with his grandmother, who was his most significant family figure, and was very close with her until her sudden death. His parents died in a car accident when he was young, which he mentions casually in conversation, and he now lives alone. Martin was involved in environmental activism, joining protests with an activist group led by a woman named Hilma. As he becomes more involved, he introduces Lotte to the group, which uses meditation, group therapy, and activism as part of its community-building efforts.

One day, a girl is found drowned in a lake with stones in her pockets—another suicide, but with enough differences to suggest it is unrelated to the earlier mass death. Nina and her team are called to investigate, but Nina quickly concludes that this death isn’t connected and dismisses it as an isolated incident. Over time, she and Ben grow closer, sharing moments together, yet their relationship becomes complicated when Ben sees Nina kissing another woman outside a bar, revealing tensions and secrets.

As Mazzy continues to explore, she visits Elsa, [Max’s] daughter, but leaves after Elsa refuses to go out. Instead, Mazzy meets Larissa, a friend from school, and they wind up at an underground club. While there, Mazzy is approached by a man trying to pressure her into dancing, prompting Larissa to intervene. The altercation results in Martin stabbing the man with a broken bottle, and the girls, overwhelmed and intoxicated, decide to sleep in a park. The following morning, Martin helps Mazzy and Larissa before calling emergency services, showcasing his protective side.

The plot thickens as Mazzy’s parents and the police search for her. Her friends and Ben are frantic, but Nina advises caution, informing Ben that the police’s official response will be to wait 24 hours before taking action. As they search, Nina reveals her true allegiance: she is part of the same cult as Martin, having been handed over by her parents to Hilma in her youth. She confesses her commitment to Hilma’s vision of a collective sacrifice for the greater good. It’s uncovered that the woman Ben interviewed behind a door, as well as the girl from the lake, was actually Lotte, who had been recruited into the cult.

The film reveals a meticulously orchestrated plan: everything from Mazzy’s encounter with Martin at the train station to her being brought to the cult center was manipulated. Hilma, the leader, and her followers have been preparing for a final act—self-immolation. Mazzy, captured and drugged, resists an underground initiation ritual, begging to contact her father but is knocked out with chloroform. Hilma orders Martin to take her to the lake where the cult plans their mass suicide. Ben rushes there upon discovering the truth.

Martin, feeling conflicted, leaves Mazzy on the lakeshore, where she begins to hallucinate and ultimately sinks into the water. Ben dives in and rescues her just in time. As the cult members—dressed in ceremonial robes, with seashells in their mouths and ash on their faces—set themselves ablaze in a ritualistic burning, only Hilma remains among the flames. Meanwhile, Martin, overwhelmed by grief and guilt, succumbs to the same fate inside his apartment, lying next to his grandmother’s remains and taking a cyanide pill.

In the final scenes, Mazzy and Ben are reunited at the lakeside, embracing in tears after Ben rescues her from drowning. The cult members, except for Hilma who has left the scene, are shown dying in the fire. The movie closes with a haunting image of Elsa, who finds a video of Hilma online, staring entranced—mirroring Mazzy’s initial fascination—highlighting how the influence of cult mindsets can persist beyond the immediate tragedy.

Timeline

A Sacrifice Timeline: Every Key Event in Order

13 key events in the order they happen, from “Ben arrives in Berlin and faces personal upheaval” to “Final discovery and reflection”. 13 events name a place, across 13 locations.

  1. 1

    Ben arrives in Berlin and faces personal upheaval

    Ben, an American social psychologist, lives and works in Berlin following his separation from his wife in California. His focus is on the study of cults, but he is also dealing with the emotional aftermath of his divorce. His daughter Mazzy arrives from California to live with him for a semester, adding a new dynamic to his routine.

    When:Immediate aftermath of Ben’s separation Where:Berlin

  2. 2

    Ben and Max investigate the cult mass suicide scene

    Ben and his colleague Max respond to a crime scene in the suburbs where a group has committed a methodical mass suicide. The police reveal details about the victims, including cyanide pills taken in shifts and small seashells placed in their mouths, indicating a ritualistic element.

    When:Day of the mass suicide Where:Suburban house

  3. 3

    Mazzy struggles with her arrival in Berlin

    Mazzy attempts to navigate the train system and mistakenly gets lost, seeking help from a man named Martin who introduces himself and exchanges contact information. Meanwhile, Mazzy starts school and Ben continues his research amidst the chaos of the recent tragedy.

    When:Following Mazzy’s arrival Where:Berlin train station and school

  4. 4

    Ben conducts interviews and interacts with cult members

    Ben interviews a member of the cult behind closed doors and works alongside Nina and Max on investigations. Mazzy begins spending time with Martin and exploring the city, including attending conversations and activities led by a cult figure, Hilma.

    When:Days after Mazzy’s arrival Where:Ben’s apartment and city locations

  5. 5

    Martin’s background and connection to the cult

    Flashbacks reveal Martin’s childhood living with his grandmother and his involvement with an environmental activist group led by Hilma. He mourns her death, feeling isolated, and begins forming relationships with young people like Lotte and attending protests.

    When:Before the events in Berlin Where:Martin’s childhood home and activist gatherings

  6. 6

    New suicide and police response

    A second girl drowns herself at a lake with stones in her pockets. Nina states it’s not connected to the mass suicides, indicating an isolated incident. Ben and Nina grow closer, and Mazzy’s growing interest in the cult’s ideology is evident as she listens to Hilma’s talks.

    When:Days after the suburban mass suicide Where:Lake and police scene

  7. 7

    Mazzy’s confrontation and discovery of the truth

    Mazzy notices her father and Nina kissing, feeling betrayed. She tries to find Martin but is comforted by Hilma. Hilma shares manipulative advice, and Mazzy begins questioning her identity and her parents’ past, hinting at the cult’s influence.

    When:Following her heartbreak Where:Cult meeting location

  8. 8

    Mazzy’s night at the club and Martin’s intervention

    Mazzy and Larissa go to an underground club, where Mazzy encounters a man trying to pressure her to dance. Martin intervenes violently, stabbing the man. Exhausted, Mazzy and Larissa sleep in a park, showing signs of instability.

    When:Night after leaving Elsa’s house Where:Underground club and park

  9. 9

    Martin helps Mazzy after her night out and calls emergency services. Meanwhile, Ben learns Mazzy is missing and tries to locate her. Nina reveals her cult membership and connections to Hilma, exposing the orchestrated nature of the events.

    When:Early morning after Mazzy’s night in the park Where:Park and police station

  10. 10

    The cult’s planned mass suicide

    Hilma and her followers prepare for mass self-immolation, donning robes, placing seashells in their mouths, and smearing ash on their faces. Hilma leads the ritual, ultimately burning the center down as a symbolic act of devotion.

    When:During the mass suicide event Where:Cult center

Show the other 3 events of A Sacrifice
  1. 11

    Mazzy’s rescue at the lake

    Mazzy, hallucinating under the influence of drugs, walks into the lake and sinks. Ben arrives in time to rescue her from drowning. The police arrive to find cult members dead, except for Hilma, who is absent.

    When:Dawn of the mass suicide day Where:Lake

  2. 12

    Martin’s suicide and aftermath

    Martin, devastated by the loss, does not move his grandmother’s corpse and takes a cyanide pill, joining the others in death. Meanwhile, the police and Ben recover Mazzy, showing the tragic end of the cult’s influence.

    When:Soon after the mass suicide Where:Martin’s apartment

  3. 13

    Final discovery and reflection

    Mazzy wakes up dazed, hallucinating Lotte in the water, and willingly sinks into the lake. Ben rescues her, emphasizing their emotional bond. The film ends with Elsa watching a video of Hilma online, suggesting the cult’s ideology may persist.

    When:After the rescue Where:Lakeshore and Elsa’s home

Characters

Who Are the Main Characters in A Sacrifice?

5 characters, among them Mazzy (Sadie Sink), Ben Monroe (Eric Bana) and Nina (Sylvia Hoeks): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Sadie Sink as Mazzy (Sadie Sink) in A Sacrifice

    Mazzy (Sadie Sink)

    Played by Sadie Sink

    Mazzy is a curious yet vulnerable teenager seeking stability amidst her parents' separation. Her exploration of group dynamics and her emotional reactions highlight her longing for connection and her struggle to distinguish influence from genuine support. Her journey underscores her resilience and desire for safety.

    • 🌸 Teen
    • 💔 Vulnerable
    • 🔍 Curious
  • Eric Bana as Ben Monroe (Eric Bana) in A Sacrifice

    Ben Monroe (Eric Bana)

    Played by Eric Bana

    Ben is an American social psychologist obsessed with understanding cult behavior and community influence. His dedication to his research and his protective instincts drive him to rescue his daughter from the cult's clutches. He is conflicted between scientific objectivity and parental love.

    • 📚 Researcher
    • 🧠 Analytical
    • 😔 Protective
  • Sylvia Hoeks as Nina (Sylvia Hoeks) in A Sacrifice

    Nina (Sylvia Hoeks)

    Played by Sylvia Hoeks

    Nina is a forensic detective deeply involved with the cult, hiding her own indoctrination and loyalty. Her dual role as investigator and cult member creates internal conflict, exemplifying themes of betrayal and manipulation. Her actions reveal the tragic influence of the cult on her identity.

    • 🕵️‍♀️ Detective
    • 🖤 Loyal
    • 🔄 Dual role
  • M(

    Martin (Jonas Dassler)

    Played by Jonas Dassler

    Martin is a young man deeply connected to his grandmother and environmental activism. His involvement with the cult begins from a place of grief and search for purpose, but he becomes tragically entangled in its destructive rituals. His character highlights vulnerability and the dangerous allure of belonging.

    • 🌍 Activist
    • 😢 Grief-stricken
    • 🚶‍♂️ Vulnerable
  • H(

    Hilma (Sophie Rois)

    Played by Sophie Rois

    Hilma is the charismatic yet manipulative leader of the cult, convincing followers to commit mass suicide as an act of devotion. Her authority and unwavering faith showcase the destructive power of fanaticism. She symbolizes ideological extremism disguised as spiritual salvation.

    • 🌿 Leader
    • 🔥 Fanatic
    • 🧙‍♀️ Charismatic
Setting

Where and When Is A Sacrifice Set?

A Sacrifice is set in Berlin, Germany, suburban house and lakeside (Post-2020). Here is why the time and place matter to the story.

When

Post-2020

The story occurs in a contemporary timeframe, indicated by modern environments, technology, and social issues. The setting reflects current societal concerns about cults, mental health, and social isolation, aligning with today's cultural context and highlighting ongoing struggles with community and influence.

Where

Berlin, Germany, suburban house, lakeside

The movie takes place primarily in Berlin, a vibrant European capital known for its history, culture, and modernity. Suburban areas serve as the setting for the cult mass suicide scene, reflecting a stark contrast between city life and secluded environments. The lakeside setting plays a crucial role as the site of the final tragedy and survivor rescue, emphasizing nature's quiet yet ominous presence.

  • 🌆 Urban
  • 🏡 Suburban
  • 🌊 Lakeside
Themes

What Are the Themes of A Sacrifice?

3 ideas the story keeps returning to, among them Manipulation, Sacrifice and Belonging.

  1. 01

    Manipulation

    The movie explores how cult leaders manipulate vulnerable individuals through psychological control, promises of belonging, and ideological indoctrination. Characters like Mazzy and Martin are influenced differently by those in power, illustrating the profound impact of manipulation on personal morals and decisions.

  2. 02

    Sacrifice

    A central theme is the idea of sacrifice, both voluntary and coerced. The cult members willingly participate in mass suicide ritualized as a collective act of devotion, while others like Mazzy struggle with personal sacrifices, such as cutting ties with their families or risking their lives to escape influence.

  3. 03

    Belonging

    The narrative emphasizes the human need for community and acceptance, which cults exploit. Mazzy’s search for connection and understanding pulls her into the group, revealing how desperate individuals can be drawn into harmful environments in the pursuit of belonging.

Ending explained

How Does A Sacrifice End?

The last act of A Sacrifice and what it means, in 242 words. The ending lands as bittersweet. Big spoilers: read the plot summary first if you have not seen it.

The final act, in full

In the ending of A Sacrifice, Ben rushes to save his daughter Mazzy from drowning, and this act of daring reflects his final attempt to break free from his feelings of guilt and inadequacy as a parent. Throughout the film, the story blends reality with supernatural elements, and in its climax, the line between the two becomes blurred. Mazzy’s spirit, symbolized by her ghostly figure, appears as a siren-like presence that guides her into the water—a callback to the cult’s teachings about the siren’s call, which promised salvation through sacrifice. This supernatural intervention gives Ben a second chance to rescue Mazzy, and this time he jumps into the water and manages to save her, symbolizing his acceptance of responsibility and his love for her.

The ending also leaves viewers with a haunting image of the ongoing danger of loneliness and manipulation. Max’s daughter Elsa is shown watching Hilma’s cult videos, reinforcing the idea that the cult’s influence endures and continues to target vulnerable souls. The film ties this to broader themes of totalitarianism and the human need for connection, suggesting that loneliness can lead people down dark paths. Ultimately, Ben’s act of sacrifice signifies his growth and willingness to confront his fears, while the supernatural elements emphasize that hope and love can transcend even the most disturbing realities. The story closes with a reminder of how fragile those connections are, but also how powerful the instinct to protect and love can be.

Tone & mood

What Kind of Film Is A Sacrifice?

Dark in tone, with steady pacing and a moderate story, going by the plot summary.

Tone
Dark
Pacing
Steady
Story
Moderate
Intensity
High
Ending
Bittersweet

A dark and steadily paced psychological thriller that creates a pervasive sense of unease as a father's investigation into a sinister cult collides with his daughter's dangerous descent into its manipulated world.

  • suspenseful
  • atmospheric
  • melancholic
  • anxious
  • sinister
  • paranoid
  • cult investigation
  • psychological thriller
  • father-daughter relationship
  • grief and loss

Content notes: mass suicide, self-immolation, child endangerment, psychological manipulation, drug use.

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FAQ

A Sacrifice Plot Questions

6 quick answers about A Sacrifice, taken from the plot summary, ending explained, character guide and setting on this page and the film’s credits.

What is A Sacrifice about?

In the restless streets of contemporary Berlin, the city pulses with a blend of historic gravitas and nocturnal energy, a place where academic cafés sit beside dimly lit clubs and the ordinary coexists with whispers of hidden communities.

Read the full plot summary

What happens at the end of A Sacrifice?

In the ending of A Sacrifice, Ben rushes to save his daughter Mazzy from drowning, and this act of daring reflects his final attempt to break free from his feelings of guilt and inadequacy as a parent.

The ending explained

When and where does A Sacrifice take place?

A Sacrifice is set in Berlin, Germany, suburban house and lakeside (Post-2020). The story occurs in a contemporary timeframe, indicated by modern environments, technology, and social issues. The setting reflects current societal concerns about cults, mental health, and social isolation, aligning…

The setting explained

Who are the main characters in A Sacrifice?

The story follows Mazzy (Sadie Sink) (played by Sadie Sink), Ben Monroe (Eric Bana) (played by Eric Bana), Nina (Sylvia Hoeks) (played by Sylvia Hoeks) and Martin (Jonas Dassler) (played by Jonas Dassler); the character guide covers 5 characters in all.

All the characters

What are the main themes of A Sacrifice?

The summary picks out 3 themes: Manipulation, Sacrifice and Belonging.

The themes explained

Who directed A Sacrifice?

A Sacrifice (2024) was directed by Jordan Scott and runs 1 hour 34 minutes.

Jordan Scott’s films

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