Skip to content
What's After the Movie?
Plot summary

The Lazarus Effect (2015) Plot Summary & Timeline

The Lazarus Effect (2015) movie poster

The Lazarus Effect is a 2015 thriller and horror film directed by David Gelb, running 1 hour 23 minutes. This page retells the whole story in 634 words (about 3 minutes to read) and covers 15 key events in order, 4 characters, where and when it is set and 3 themes. Looking for the cast, ratings and where to stream it? See the movie page for The Lazarus Effect.

to read the plot summary
3 min
key events in the timeline
15
characters profiled
4
themes explained
3
The Lazarus Effect (2015) movie poster
Released
Runtime
1h 23m
Director
David Gelb
Genres
Thriller, Horror
Original language
English
No spoilers

What Is The Lazarus Effect About?

The premise of The Lazarus Effect in 299 words, with nothing given away. The full story follows below.

In the hushed corridors of a cutting‑edge biomedical lab at the University of California, Berkeley, a small team of researchers pushes the limits of what science deems possible. Their work blurs the line between life‑saving medicine and the forbidden art of reanimation, creating an atmosphere thick with curiosity, ambition, and an undercurrent of unease that pulses through the sterile white walls.

At the heart of the project is Zoe McConnell, a brilliant yet emotionally guarded scientist whose drive is as much personal as professional. Beside her stands Frank Walton, her devoted fiancé and the pragmatic head of the undertaking, whose steady demeanor masks a fierce protectiveness. Newcomer Eva arrives to document the experiments, her eager eyes quickly taking in the complex dynamics of the group. Niko, quietly harboring deeper feelings for Zoe, watches the unfolding drama with a mix of admiration and jealousy, while Clay brings a restless, almost reckless energy, constantly probing the moral edges of their work.

When their pioneering serum appears to breach the boundary between death and revival, the triumph quickly gives way to a devastating personal loss that strikes at the core of Zoe’s world. Grief and ambition become tangled, propelling the team toward a perilous gamble: to use their own discovery on a beloved partner whose life was just taken. The decision ignites a cascade of moral questions and scientific curiosity that the lab’s bright lights can no longer conceal.

The film balances clinical precision with a growing sense of dread, painting a world where each breakthrough hints at unintended consequences. As the researchers wrestle with the ethical weight of their creation, the mood shifts from hopeful exhilaration to a haunting contemplation of what it truly means to play god, leaving the audience perched on the edge of scientific wonder and primal fear.

Full plot

What Happens in The Lazarus Effect?

The complete story of The Lazarus Effect, from the first scene to the last, in 634 words (about 3 minutes). Spoilers throughout. Names in the text link to 4 cast member pages.

Spoilers ahead

We begin with unsettling video footage of a deceased pig on an operating table as a group of medical researchers attempts to resurrect it. They inject the creature with a potent serum and activate their machine, yet nothing occurs initially. A researcher light-heartedly suggests eating the pig when, to everyone’s surprise, it emits a brief squeal before falling silent again.

The story unfolds at a university in Berkeley, California, where Zoe McConnell (Olivia Wilde), one of the leading scientists, introduces a student, Eva (Sarah Bolger), to their lab for documenting the experiments. She presents Eva to her colleagues: Niko (Donald Glover), Clay (Evan Peters), and her fiancé Frank Walton (Mark Duplass), the head of the project. While Clay is openly intrigued by Eva, it’s evident Niko harbors deeper feelings for Zoe. Frank details their serum, dubbed “Lazarus,” revealing its origins in sustaining neural function in coma patients before pivoting to the controversial act of reviving the deceased. Their initial test involves a blind, dead dog named Rocky. Although it seems unsuccessful, Rocky later barks and moves just before the team celebrates their apparent breakthrough with champagne.

Following their success, Frank and Zoe bring Rocky home. They soon realize that the serum’s effects linger, causing changes in the dog’s behavior and health that are both intriguing and alarming. Zoe experiences a distressing nightmare about being trapped in a burning building, awakening to Frank’s comforting presence.

Subsequently, Clay finds himself alone in the lab with Rocky, who suddenly exhibits aggressive behavior after rattling from his cage. When Clay mentions his unsettling experience to the group, they do not believe him. Tensions rise when the university dean reprimands Frank for conducting unauthorized experiments, having received incriminating footage from an unknown source. After the dean’s intervention, shareholders confiscate the lab’s materials after learning that a corporate entity has acquired the funding company.

Amid growing distrust towards Eva, the team decides to sneak into the lab once more using a security pass she retained. Niko manages to bypass the security systems, allowing them to prepare for another test. Unfortunately, Zoe suffers a fatal accident during the experiment where a rogue electric shock severely injures her. Frank desperately attempts to resuscitate her, but tragedy strikes—Zoe is gone. Yet Frank, unwilling to accept her death, injects her with the serum in a risky gamble against morality, a decision their lab partners vehemently contest. To everyone’s astonishment, Zoe miraculously awakens, though her return is far from normal.

Now alive, Zoe begins displaying signs of an unknown essence within her. She confides in Frank about feeling different and haunted by visions of the burning building—a pivotal moment from her traumatic childhood. As the days pass, strange occurrences escalate: Zoe manipulates objects with her mind, and Eva becomes increasingly worried about her friend’s stability. When Eva directly witnesses Zoe’s torment over her childhood, she suggests that Zoe’s soul may be trapped and in turmoil.

Tensions escalate dramatically when Zoe discovers that she can overpower Niko, leading to a tragic series of events that dispose of her colleagues one by one. Desperation sets in as Frank and Eva attempt to subdue the increasingly dangerous Zoe. In a haunting twist, Zoe, now fully aware of her capabilities, inflicts chaos upon her friends, revealing the dark secrets of her past and the extent of her powers.

In a climactic confrontation, Eva tries to save everyone, plunging a syringe into Zoe, which takes effect just as a rescue team arrives at the scene. In a shocking revelation, Zoe’s essence somehow persists, leading to a horrifying conclusion that intertwines life, death, and the consequences of their hubris. The film ends with an eerie twist—Zoe resurrects Frank with the serum from her own body, leaving viewers to ponder the depths of mortality, ethics, and the surge of dark scientific ambition.

Timeline

The Lazarus Effect Timeline: Every Key Event in Order

15 key events in the order they happen, from “The Resurrection Experiment Begins” to “The Eerie Resurrection”. 15 events name a place, across 6 locations.

  1. 1

    The Resurrection Experiment Begins

    The film opens with unsettling video footage of a dead pig on an operating table. Medical researchers attempt to bring the creature back to life using a powerful serum, creating a tense atmosphere filled with anticipation and uncertainty.

    Where:Operating Room

  2. 2

    Introduction of Zoe and Eva

    In Berkeley, California, Zoe McConnell, one of the lead scientists, introduces a student named Eva to the lab where groundbreaking experiments are taking place. Zoe presents her colleagues Niko, Clay, and her fiancé Frank, highlighting their different interests in the project.

    Where:University Lab, Berkeley, California

  3. 3

    The 'Lazarus' Serum Explained

    Frank explains the origins of their serum, known as 'Lazarus,' which was initially developed to help coma patients. The discussion pivots towards the controversial idea of reviving the dead, setting the stage for ethical dilemmas that arise as the experiment progresses.

    Where:University Lab

  4. 4

    Rocky's Revival

    The team conducts their first significant test on a blind, deceased dog named Rocky. Initially, the experiment seems unsuccessful, but much to their astonishment, Rocky barks and moves just before the team toasts their supposed success with champagne.

    Where:University Lab

  5. 5

    Changes in Rocky

    After taking Rocky home, Zoe and Frank notice peculiar changes in the dog's behavior and health, which is both intriguing and alarming. Zoe's night terrors about being trapped in a burning building highlight her internal struggles and foreshadow upcoming horror.

    Where:Zoe and Frank's Home

  6. 6

    Clay's Disturbing Encounter

    While alone in the lab with Rocky, Clay experiences a sudden outburst of aggressive behavior from the revived dog. Despite his warnings to the team, Clay's experience is dismissed, creating an atmosphere of tension and disbelief among the researchers.

    Where:University Lab

  7. 7

    Reprimand from the Dean

    The university dean reprimands Frank for conducting unauthorized experiments after receiving incriminating footage. The ensuing controversy leads to shareholders confiscating lab materials, further complicating the team's ambitions.

    Where:University Administration Office

  8. 8

    Sneaking Back into the Lab

    Increasing distrust towards Eva prompts the team to sneak into the lab again using a security pass she retained. With Niko’s skills, they bypass security systems and prepare for another test, highlighting their reckless pursuit of knowledge.

    Where:University Lab

  9. 9

    Zoe's Fatal Accident

    During the next experiment, a rogue electric shock leads to a fatal accident, severely injuring Zoe. Frank's desperate attempts to resuscitate her fail, resulting in heartbreak and a moral crisis within the team.

    Where:University Lab

  10. 10

    Zoe's Miraculous Revival

    In a controversial decision, Frank injects Zoe with the serum, hoping to reverse her death. To everyone's shock, Zoe miraculously awakens, but it becomes clear that she is not the same, as she grapples with the aftermath of her resurrection.

    Where:University Lab

Show the other 5 events of The Lazarus Effect
  1. 11

    Strange New Powers

    Now alive, Zoe begins to exhibit strange powers, including the ability to manipulate objects with her mind. These developments evoke fear and concern among her friends, particularly Eva, who worries that Zoe's soul might be trapped within her.

    Where:Zoe and Frank's Home

  2. 12

    Zoe's Dark Past Revealed

    As Zoe confronts her abilities, she reveals visions of a traumatic incident from her childhood—trapped in a burning building. This haunting experience exacerbates her internal turmoil and signals an impending descent into chaos.

    Where:Zoe's Mind

  3. 13

    The Downfall of Colleagues

    Zoe's newfound powers lead to a tragic series of events as she overpowers Niko and disposes of her colleagues one by one. Desperation grows as Frank and Eva seek to stop her before she completely succumbs to darkness.

    Where:University Lab

  4. 14

    Eva's Last Attempt

    In a climactic confrontation, Eva desperately plunges a syringe into Zoe in an attempt to save everyone. Just as a rescue team arrives, the consequences of their actions culminate in a shocking twist, leaving the fate of all involved hanging in the balance.

    Where:University Lab

  5. 15

    The Eerie Resurrection

    In an unsettling finale, Zoe resurrects Frank using the serum derived from her own body. This shocking revelation raises profound questions about mortality, ethics, and the dark consequences of scientific ambition, leaving viewers to ponder the true cost of their hubris.

    Where:University Lab

Characters

Who Are the Main Characters in The Lazarus Effect?

4 characters, among them Zoe McConnell, Frank Walton and Eva: who each one is and the part they play in the story. Every profile links to the actor’s page.

  • Olivia Wilde as Zoe McConnell in The Lazarus Effect

    Zoe McConnell

    Played by Olivia Wilde

    Zoe McConnell is a dedicated scientist driven by her ambition to push the boundaries of life and death. After her resurrection, she grapples with newfound powers and a haunting past that challenges her identity. Her transformation from a curious researcher to a powerful entity embodies the film's exploration of ethics and the consequences of scientific hubris.

    • 🔬 Scientist
    • 🌌 Transformed
  • Mark Duplass as Frank Walton in The Lazarus Effect

    Frank Walton

    Played by Mark Duplass

    Frank is the head of the project and deeply committed to his work and his fiancée, Zoe. He struggles with intense grief and moral dilemmas after Zoe's death, which drives him to make desperate choices. His character illustrates the extremes of love and ambition, illustrating the fragility of life and the impact of loss.

    • 💔 Grief
    • 🧑‍🔬 Researcher
  • Sarah Bolger as Eva in The Lazarus Effect

    Eva

    Played by Sarah Bolger

    Eva is a student introduced to the lab's experiments, who quickly becomes entwined in the escalating tension among the researchers. She represents a voice of caution amid the unfolding chaos, attempting to keep her friends grounded. As events spiral out of control, Eva’s concern for Zoe showcases her empathetic nature.

    • 🎓 Student
    • 🆘 Cautious
  • Evan Peters as Clay in The Lazarus Effect

    Clay

    Played by Evan Peters

    Clay is a colleague of Zoe and Frank, who exhibits curiosity about the experiments yet grapples with the consequences of their actions. Initially skeptical, his character serves as a contrast to Frank's desperation as events lead to increasingly dire outcomes. Clay's journey reflects the tension between ambition and the moral ramifications of their research.

    • 🤔 Researcher
    • ⚠️ Skeptical
Setting

Where and When Is The Lazarus Effect Set?

The Lazarus Effect is set in Berkeley and California. Here is why the place matters to the story.

Where

Berkeley, California

The movie is set in Berkeley, California, known for its prestigious university and vibrant academic atmosphere. This city represents a hub of innovation and ethical debates, particularly in scientific research. The backdrop of the university adds a layer of intellectual curiosity and moral complexity to the story.

  • 🏫 University
  • 🌆 Urban
Themes

What Are the Themes of The Lazarus Effect?

3 ideas the story keeps returning to, among them Ethics in Science, Loss and Grief and Identity and Transformation.

  1. 01

    Ethics in Science

    The film grapples with the moral implications of scientific experimentation and the boundaries researchers are willing to cross. It raises questions about the consequences of playing god with life and death. As the characters experiment with resurrection, they confront the darker aspects of their ambitions.

  2. 02

    Loss and Grief

    Loss is a central theme, particularly through Zoe's tragic death and Frank's desperate attempts to revive her. The emotional turmoil surrounding death and the desire to hold onto loved ones culminates in a harrowing exploration of grief. This theme is embodied by Frank's relentless quest to bring Zoe back, which leads to catastrophic results.

  3. 03

    Identity and Transformation

    The resurrection causes profound changes in Zoe, who begins to experience altered perceptions of self. This theme examines how identities can shift dramatically following traumatic events, intertwining with her past and unveiling darker aspects of her psyche. Zoe's transformation raises profound questions about the essence of oneself after experiencing life-altering situations.

Tone & mood

What Kind of Film Is The Lazarus Effect?

Dark in tone, with fast pacing and a straightforward story, going by the plot summary.

Tone
Dark
Pacing
Fast
Story
Straightforward
Intensity
High
Ending
Bleak

A fast-paced and intensely suspenseful horror film that relentlessly builds a claustrophobic atmosphere of dread as scientists confront the monstrous consequences of their ambition to cheat death.

  • suspenseful
  • claustrophobic
  • anxious
  • horrifying
  • unsettling
  • grim
  • scientific hubris
  • resurrection gone wrong
  • grief and loss
  • supernatural horror

Content notes: animal death, character death, psychological horror, aggression, attempted murder.

Quiz

How well do you remember The Lazarus Effect? Test yourself on the story.

Take the quiz
Where to watch

Where to Watch The Lazarus Effect

Stream it on Amazon Prime Video and Fawesome, or rent or buy it from Amazon Video and Apple TV Store. US availability and prices from JustWatch.

Streaming availability in the US, powered by JustWatch logo

Read next

Movies Like The Lazarus Effect With a Plot Summary

6 films close to The Lazarus Effect in story and themes that have a full plot summary here: The Brain That Wouldn't Die (1962) and The Resurrected (1991) lead. 1 of them comes with the ending explained.

All plot summaries

Missing a Movie Plot Summary?

Tell us which film you want explained next: the full story, the timeline, the characters and the ending.

Request a summary
FAQ

The Lazarus Effect Plot Questions

5 quick answers about The Lazarus Effect, taken from the plot summary, character guide and setting on this page and the film’s credits.

What is The Lazarus Effect about?

In the hushed corridors of a cutting‑edge biomedical lab at the University of California, Berkeley, a small team of researchers pushes the limits of what science deems possible.

Read the full plot summary

When and where does The Lazarus Effect take place?

The Lazarus Effect is set in Berkeley and California. The movie is set in Berkeley, California, known for its prestigious university and vibrant academic atmosphere. This city represents a hub of innovation and ethical debates, particularly in scientific research.

The setting explained

Who are the main characters in The Lazarus Effect?

The story follows Zoe McConnell (played by Olivia Wilde), Frank Walton (played by Mark Duplass), Eva (played by Sarah Bolger) and Clay (played by Evan Peters).

All the characters

What are the main themes of The Lazarus Effect?

The summary picks out 3 themes: Ethics in Science, Loss and Grief and Identity and Transformation.

The themes explained

Who directed The Lazarus Effect?

The Lazarus Effect (2015) was directed by David Gelb and runs 1 hour 23 minutes.

David Gelb’s films

Coming soon to your phone

The Plot Explained Movie Summary App

From blockbusters to hidden gems: plot summaries, endings explained and timelines on your phone. Save your favorites and never miss a twist again.

Be the first to know when it launches. Your email stays private, always. Learn more about the app