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Plot summary & ending explained

In the Earth (2021) Plot Summary, Ending Explained & Timeline

In the Earth (2021) movie poster

In the Earth is a 2021 horror film directed by Ben Wheatley, running 1 hour 40 minutes. This page retells the whole story in 706 words (about 3 minutes to read) and covers 15 key events in order, 4 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 In the Earth.

to read the plot summary
3 min
key events in the timeline
15
characters profiled
4
themes explained
3
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In the Earth (2021) movie poster
Released
Runtime
1h 40m
Director
Ben Wheatley
Genre
Horror
Original language
English
Studio
Neon
No spoilers

What Is In the Earth About?

The premise of In the Earth in 257 words, with nothing given away. The full story and the ending follow below.

In a near‑future Britain reeling from an unnamed viral pandemic, the government has cordoned off a sprawling research outpost deep within an unusually fertile forest outside Bristol. The trees loom thick, their canopies swallowing daylight, while whispers of old folklore swirl among the trees—stories of a restless spirit that once guarded the woods. Amid the tension between scientific urgency and rural isolation, a faint, inexplicable signal pulses through the forest, beckoning anyone daring enough to trace its source.

Tasked with unraveling the mystery, Martin Lowery, a meticulous scientist accustomed to sterile labs, is paired with Alma, a seasoned park scout who knows the forest’s hidden paths and its silent moods. Their partnership is a study in contrast—Martin’s data‑driven curiosity meets Alma’s instinctive respect for the land. As they set out on a two‑day trek toward the signal, the forest’s natural beauty is tinged with an uneasy stillness, prompting each to confront not only the unknown outside but also the doubts that linger within.

Nightfall turns the woodland into a shifting landscape where shadows seem to breathe and the air carries a faint, fungal perfume that hints at something older than the pandemic itself. The duo soon discovers that the forest is not merely a backdrop but a character in its own right, its ancient, primal forces subtly guiding the rhythm of their journey. The film weaves a slow‑burning dread with moments of stark beauty, inviting viewers to wonder what lies beneath the canopy and whether the signal is a warning, a lure, or something far more enigmatic.

Full plot

What Happens in In the Earth?

The complete story of In the Earth, from the first scene to the last, in 706 words (about 3 minutes). Spoilers throughout. Names in the text link to 3 cast member pages.

Spoilers ahead

Martin Lowery, a dedicated scientist, is dispatched to a government-controlled research outpost amidst an unspecified pandemic that has devastated the nation. Nestled in an unusually fertile forest near Bristol, this outpost serves as the location for studies conducted by his former partner and ex-lover, Olivia Wendle, who is investigating the use of mycorrhiza to enhance crop yields. After successfully passing his physical examination and meeting his park guide, Alma, Martin is intrigued to learn about the local folklore surrounding Parnag Fegg, a legendary woodland spirit.

As dawn breaks, Martin and Alma embark on a two-day trek to reach Olivia’s research site. However, Alma reveals a disconcerting truth: Olivia has not been in contact for several months. Their journey takes a sinister turn when they stumble upon an abandoned tent, which shows signs it belonged to a family. Later that night, Martin discovers a troubling rash on his arm before both he and Alma are unexpectedly attacked by masked assailants who ransack their camp, vandalize their equipment, and steal their shoes. In a desperate bid to escape, Martin injures his foot.

Their luck seems to change when they are approached by Zach, a man living off the grid, who offers them a pair of shoes. He brings them to his campsite where he tends to Martin’s injury by disinfecting and stitching his open wound. Yet, a sense of dread looms as Martin and Alma begin to lose consciousness, realizing they have been drugged. During this unconscious state, Zach captures unsettling photographs of them while dressing Martin’s arm with a mysterious symbol created from animal gut.

Upon regaining consciousness, Martin learns from Zach that the symbol he’s sporting is a mark meant to attract a presence in the woods, one believed to be the essence of an ancient sorcerer bound to a standing stone hidden in the forest. Things go from bad to worse as Martin’s foot becomes infected, prompting Zach to crudely amputate several of his toes with a hatchet.

With a newfound determination, Alma manages to snag a discarded blade and frees herself and Martin by attacking Zach. In their escape, the couple becomes separated, and Martin, faced with the horrors of the woods, stumbles upon two bodies, likely belonging to the former occupants of the abandoned camp. Eventually, he encounters the standing stone just as Olivia arrives to rescue him. Alma, fighting her own battles, finds her way back to the camp, and Zach is chased away by the intensified sounds and lights surrounding Olivia’s research area.

As dawn arrives, Olivia cauterizes Martin’s wound and elaborates on her research, revealing that Zach is her ex-husband. She explains that Zach was assisting her in communicating with the presence tied to the standing stone, guided by an ancient book of local legends, but their methods clashed, leading to a split. Tension remains high as Alma, suspecting that Zach’s influence still threatens them, pushes Martin to consider leaving. However, he is reluctant to clarify his connection to Olivia, while Alma refuses to abandon her research.

Trapped by an encroaching mist filled with fungal spores, they send Alma through the dense fog in a hazmat suit, yet the spores infiltrate her protection, subjecting her to terrifying hallucinations. That night, Zach reappears, urging them to connect with the stone through the sounds and lights, claiming they must also partake in a “sacrament,” an ominous concoction hinted at in the ancient text. With uncertainty hanging in the air, Martin hesitantly consumes the sacrament and awaits its effects.

Zach then ambushes Alma, setting the stage for a horrific sacrifice. As she fights back to reach the camp, she discovers Olivia surrounded by manipulated photos of the victims. In a desperate struggle, Alma manages to fend off Olivia and, in the chaos, kills Zach. Following the intense confrontation, she pursues Olivia back to the standing stone, but the mist engulfs the camp, subjecting them to even more vivid hallucinations.

By morning, both Alma and Olivia awaken far removed from the stone, free from their trancelike states. Overwhelmed by the surreal turn of events, Olivia collapses, astonished. Alma then approaches Martin, who is regaining consciousness by the stone, and in a hauntingly distorted voice, offers her assistance in guiding him out of the woods.

Timeline

In the Earth Timeline: Every Key Event in Order

15 key events in the order they happen, from “Martin is dispatched to the research outpost” to “Final confrontation”.

  1. 1

    Martin is dispatched to the research outpost

    Martin Lowery, a determined scientist, is assigned to a research outpost during an unspecified pandemic. This outpost is located in a uniquely fertile forest near Bristol and is overseen by his former partner and ex-lover, Olivia Wendle, who is conducting experiments to boost crop production.

    Where:Bristol

  2. 2

    Meeting with Alma

    Upon arrival at the outpost, Martin successfully completes his physical examination. He then meets Alma, his park guide, who introduces him to the local folklore, particularly the legend of Parnag Fegg, a mysterious woodland spirit that captivates Martin's interest.

  3. 3

    The trek begins

    As dawn breaks, Martin and Alma embark on a two-day trek to Olivia's research site. However, during their journey, Alma shares unsettling news that Olivia has been out of contact for months, raising concerns about their safety as they move further into the forest.

  4. 4

    Discovery of the abandoned tent

    Their adventure takes a dark turn when they discover an abandoned tent that appears to belong to a family. Signs of a struggle hint at something sinister happening in the area, foreshadowing the dangers that lie ahead.

  5. 5

    Attack by masked assailants

    That night, Martin discovers a rash forming on his arm, and soon after, both he and Alma are violently attacked by masked assailants. The attackers ransack their camp, vandalize their equipment, and steal their shoes, leaving Martin injured as he attempts to escape.

  6. 6

    Encounter with Zach

    In a turn of fate, they meet Zach, a man living off the grid, who offers assistance by providing them with shoes. He takes Martin to his campsite to tend to Martin's injured foot, but a sense of unease settles as they realize something isn't right.

  7. 7

    Martin and Alma are drugged

    After being treated for his injury, Martin and Alma succumb to the effects of a drug that Zach has administered. While unconscious, Zach proceeds to take unsettling photographs of them, marking Martin as part of a ritual tied to the forest's lore.

  8. 8

    Awakening and revelation

    Upon regaining his senses, Martin learns from Zach about the mysterious symbol on his arm, which is said to summon an ancient presence in the woods. As he comes to terms with the unfolding events, Martin's injury worsens, leading Zach to perform a harrowing amputation.

  9. 9

    Alma's escape

    With newfound determination, Alma manages to retrieve a discarded blade and frees herself and Martin from Zach's hold. However, during their escape, they become separated, leaving Martin to confront the horrors of the forest alone.

  10. 10

    Martin’s grim discoveries

    As Martin wanders through the forest, he stumbles upon two bodies believed to be from the family that once occupied the abandoned tent. This grim discovery amplifies the sense of dread and urgency as he seeks a way to survive.

Show the other 5 events of In the Earth
  1. 11

    Rescue by Olivia

    Just as Martin encounters the standing stone, Olivia arrives to rescue him. While Alma is battling her own struggles, together they face the terrifying presence that Zach has summoned throughout their ordeal in the woods.

  2. 12

    Olivia’s revelations

    In the early hours, Olivia cauterizes Martin's wound and reveals her research intentions. She discloses that Zach, her ex-husband, was once helping her but their divergent methods led to conflict, creating a tense atmosphere among the trio.

  3. 13

    Alma's hazmat suit venture

    As a mist filled with fungal spores envelops the area, Alma is sent through the fog while wearing a hazmat suit. Unfortunately, the spores infiltrate her protection, leading to terrifying hallucinations that heighten the group's precarious situation.

  4. 14

    Zach's sacrament proposal

    Zach reappears with ominous intentions, claiming that they must connect with the stone through special sounds and partake in a sacrament hinted at in the ancient text. Martin's apprehension grows as he contemplates consuming the sacrament.

  5. 15

    Final confrontation

    As Alma fights back against Zach's horrific plans, she discovers Olivia surrounded by disturbing photographs of their past victims. Amidst the chaos, Alma manages to kill Zach, leading to a climactic confrontation that leaves both women at the mercy of their environment.

Characters

Who Are the Main Characters in In the Earth?

4 characters, among them Martin Lowery (Joel Fry), Olivia Wendle (Hayley Squires) and Alma (Ellora Torchia): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Joel Fry as Martin Lowery (Joel Fry) in In the Earth

    Martin Lowery (Joel Fry)

    Played by Joel Fry

    Martin Lowery is a dedicated scientist tasked with reaching a remote research outpost during a national crisis. He exhibits determination and resourcefulness but faces both physical and mental challenges as the plot unfolds. His complicated feelings for Olivia and his struggle for survival drive his character's arc.

    • 🔬 Scientist
    • 🌲 Survivor
    • 💔 Ex-Lover
  • Hayley Squires as Olivia Wendle (Hayley Squires) in In the Earth

    Olivia Wendle (Hayley Squires)

    Played by Hayley Squires

    Olivia Wendle is a passionate researcher whose work is tied to the mysterious forest and its folklore. Her relationship with Martin adds depth to her character, revealing both professional ambition and personal conflict. Olivia's decisions, particularly regarding Zach, highlight her complex motivations.

    • 🔬 Researcher
    • 💔 Ex-Lover
    • 🌱 Innovator
  • Ellora Torchia as Alma (Ellora Torchia) in In the Earth

    Alma (Ellora Torchia)

    Played by Ellora Torchia

    Alma is Martin's park guide, showcasing bravery and resourcefulness throughout their harrowing trek. Driven by a sense of duty to help others, she faces her fears as she unravels the dark secrets of the forest. Alma's resilience is key in the fight for survival against various threats.

    • 🧗‍♀️ Guide
    • 🦸‍♀️ Brave
    • 💔 Ally
  • Reece Shearsmith as Zach (Reece Shearsmith) in In the Earth

    Zach (Reece Shearsmith)

    Played by Reece Shearsmith

    Zach is portrayed as a mysterious and menacing figure, deeply intertwined with Olivia's past. His motivations are ambiguous, leaving viewers questioning his actions and intentions throughout the film. As the story progresses, Zach's darker nature emerges, heightening the tension and sense of danger.

    • 🔪 Antagonist
    • 👤 Enigma
    • 💔 Ex-Husband
Setting

Where and When Is In the Earth Set?

In the Earth is set in Bristol and Rural Forest. Here is why the place matters to the story.

When

The events of the movie unfold during a time of crisis marked by a devastating pandemic impacting the nation. This backdrop heightens the sense of urgency and dread as the characters navigate their treacherous surroundings, exacerbated by the isolation and danger of the forest environment.

Where

Bristol, Rural Forest

The movie is set in a secluded research outpost located in an unusually fertile forest near Bristol, England. This location is known for its dense, ancient woodlands and local folklore, particularly the tale of Parnag Fegg, a legendary woodland spirit. The forest serves as a key backdrop for the characters' harrowing journey and exploration of nature's dark mysteries.

  • 🌲 Forest
  • 🏞️ Research Outpost
Themes

What Are the Themes of In the Earth?

3 ideas the story keeps returning to, among them Mysticism, Relationships and Survival.

  1. 01

    Mysticism

    Mysticism plays a vital role in shaping the characters' experiences as they confront an ancient presence tied to local folklore. The blending of scientific inquiry with mythical elements creates a sense of unease, challenging their understanding of reality. This theme emphasizes the tension between rationality and superstition as they interact with the supernatural.

  2. 02

    Relationships

    The complexities of past relationships are explored through the dynamics between Martin, Olivia, and Zach. Their history, including former romantic ties and the lingering emotional baggage, impacts their interactions and decisions throughout the film. This theme illustrates how personal connections can influence survival in dire situations.

  3. 03

    Survival

    Survival is a central theme as the characters confront both physical and psychological threats in the wilderness. Their struggle against the elements and malevolent forces challenges their resilience and resourcefulness. The film emphasizes the instinctual drive to survive in the face of unimaginable dangers.

Ending explained

How Does In the Earth End?

The last act of In the Earth and what it means, in 280 words. The ending lands as ambiguous. Big spoilers: read the plot summary first if you have not seen it.

The final act, in full

In the final moments of “In the Earth,” it becomes clear that Olivia, who had been experimenting with ways to communicate with Nature using her scientific tools, has reached an irreversible point. She appears to have seen the Spirit of the Woods directly, and her last words, “Thank you,” suggest she has finally connected with something truly beyond human understanding. Her death marks the completion of her journey into this mysterious, powerful force. Meanwhile, Alma, who has also been exposed to the forest’s strange energies—especially during her hallucinations in the mist—begins to act differently. Her voice shifts, and she offers to lead Martin out of the woods, which may indicate that she too has been overtaken or possessed by the Spirit of the Woods. This change hints at how deeply the forest’s influence has affected her mind and soul, blurring the line between human consciousness and the powerful, living force of Nature. The film leaves this ending open to interpretation: it could be that Alma, now connected more deeply to Nature, has become a vessel for the forest’s spirit, or simply that she is under its control. Overall, the film emphasizes that Nature is a living, sentient force far more complex and alive than we often realize. It suggests that understanding Nature requires humility and reverence—science and reason are helpful, but they are ultimately limited. The story encourages viewers to reflect on our relationship with the natural world, highlighting that to truly coexist with Nature, we must recognize its power and mystery, which transcend human comprehension. The ending leaves us pondering whether humans can truly gain control over Nature or if, in doing so, they risk losing their own humanity.

Tone & mood

What Kind of Film Is In the Earth?

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

Tone
Dark
Pacing
Steady
Story
Moderate
Intensity
High
Ending
Ambiguous

A relentlessly tense and psychedelic horror film that traps its characters in a primeval forest, subjecting them to physical mutilation and psychological unraveling while they confront a malevolent ancient force.

  • claustrophobic
  • surreal
  • anxious
  • primal
  • oppressive
  • psychedelic
  • supernatural horror
  • survival
  • pandemic
  • scientific hubris

Content notes: graphic injury, amputation, drugging, psychological torture, sacrifice ritual.

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FAQ

In the Earth Plot Questions

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

What is In the Earth about?

In a near‑future Britain reeling from an unnamed viral pandemic, the government has cordoned off a sprawling research outpost deep within an unusually fertile forest outside Bristol.

Read the full plot summary

What happens at the end of In the Earth?

In the final moments of "In the Earth," it becomes clear that Olivia, who had been experimenting with ways to communicate with Nature using her scientific tools, has reached an irreversible point.

The ending explained

When and where does In the Earth take place?

In the Earth is set in Bristol and Rural Forest. The events of the movie unfold during a time of crisis marked by a devastating pandemic impacting the nation. This backdrop heightens the sense of urgency and dread as the characters navigate their treacherous…

The setting explained

Who are the main characters in In the Earth?

The story follows Martin Lowery (Joel Fry) (played by Joel Fry), Olivia Wendle (Hayley Squires) (played by Hayley Squires), Alma (Ellora Torchia) (played by Ellora Torchia) and Zach (Reece Shearsmith) (played by Reece Shearsmith).

All the characters

What are the main themes of In the Earth?

The summary picks out 3 themes: Mysticism, Relationships and Survival.

The themes explained

Who directed In the Earth?

In the Earth (2021) was directed by Ben Wheatley and runs 1 hour 40 minutes.

Ben Wheatley’s films

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