Directed by

Jeffrey Nachmanoff
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Read the complete plot summary and ending explained for Replicas (2019). From turning points to emotional moments, uncover what really happened and why it matters.
William Foster, portrayed by Keanu Reeves, is a brilliant scientist specializing in synthetic biology and the intricate mapping of neural pathways into alternative host bodies. Alongside his team members, Ed Whittle, played by Thomas Middleditch, and Scott, portrayed by Nyasha Hatendi, he works under the supervision of his boss, Jones, played by John Ortiz. William’s groundbreaking research allows him to imprint minds into new synthetic bodies; however, his trials face significant challenges as the subjects often reject their new forms.
Tragedy strikes when William’s family—his wife, Mona, played by Alice Eve, and their children, Matt, portrayed by Emjay Anthony, Sophie, played by Emily Alyn Lind, and Zoe, portrayed by Aria Leabu—are killed in a tragic car accident. Grief-stricken and desperate to bring them back, William employs his unique expertise to create biological clones of his family. With the reluctant assistance of Ed, he maps their brains and designs the clones to ensure their minds can successfully merge with their new biological bodies. Facing limitations with only three cloning pods available from Biodyne’s lab, William must make a heart-wrenching decision about which family member to exclude, ultimately choosing to omit Zoe and erasing her memory from the others.
As he successfully resurrects his family, William opts not to reveal their true nature or the circumstances of their revival. After 17 days, the clones are ready, and he manages to transfer their memories into their new bodies. However, the pressure mounts as William fabricates a web of lies to evade suspicion from his boss and neighbors, all the while grappling with his duties at work that demand he imprint another mind into a synthetic body. Understanding that the cloning process involves acceptance of a biological form, he takes a significant risk by deciding to imprint his own consciousness into a synthetic host, creating an algorithm designed to trick the mind into accepting the artificial body.
Conflict arises when Mona senses something amiss and confronts William about the situation. In a moment of vulnerability, he reveals the truth about their deaths and the cloning. However, he withholds the information regarding Zoe, even though remnants of her existence linger throughout their home. This concealed truth fuels tension with the corporate entities, as Jones threatens to claim the cloned family as property belonging to Biodyne.
In a dramatic turn of events, Jones takes action against William, leading to Mona, Sophie, and Matt being kidnapped. Under pressure, William learns that Ed was the informant who caused this betrayal. In a desperate strategy, Jones assaults Ed to manipulate William into surrendering the algorithm. Unbeknownst to them, William transfers his stored memories into the synthetic host, creating a robot version of himself.
As Robot William and human William unite, they prepare to battle for the freedom of their cloned family. A confrontation ensues that culminates in Robot William eliminating Jones and his accomplices, albeit at the cost of Ed’s life. Following this chaos, William seizes the opportunity to imprint against Jones’s mind, reshaping his new reality. Seventeen days later, as William welcomes a new clone of Zoe, he finds that Jones now operates under his command, assisting affluent individuals seeking a second chance at life, thus completing a full circle of ambition and redemption.
Follow the complete movie timeline of Replicas (2019) with every major event in chronological order. Great for understanding complex plots and story progression.
William's Specialization
William Foster, a scientist, focuses on synthetic biology and the mapping of neural pathways to assist with transferring minds into alternative host bodies. Despite his expertise, he struggles to successfully imprint memories into synthetic bodies, which are often rejected by the subjects.
Tragic Car Crash
William's life takes a devastating turn when his family, consisting of his wife Mona and their children Matt, Sophie, and Zoe, dies in a car crash. This sudden loss prompts William to explore radical means to bring them back to life, leading him down a morally complex path.
Deciding Who to Clone
In his desperate quest to resurrect his deceased family, William manages to obtain only three cloning pods from Biodyne's lab. Faced with a heart-wrenching decision, he randomly selects Zoe to be the one not cloned, effectively erasing her from the memories of her family.
Cloning Process Begins
William collaborates with his colleague Ed to map the brains of his family members. After a rigorous 17 days of work, the cloning process is complete, and he successfully transfers the memories of Mona, Matt, and Sophie into their new biological clones, while leaving Zoe behind.
Lies and Deception
To maintain the facade of normalcy, William fabricates stories to cover his family's disappearance from friends, neighbors, and his boss. His growing tensions at work compound as he faces pressure to imprint a mind into a synthetic body, a process he knows is failing.
Imprinting into a Synthetic Body
Recognizing the failures of his previous attempts, William devises an algorithm that enables him to imprint his own mind into a robotic host. This groundbreaking yet dangerous creation becomes crucial for his plans to protect his cloned family.
Mona's Confrontation
Mona begins to sense that something is amiss and confronts William about the strange occurrences at home. In a moment of vulnerability, William reveals the truth about their deaths but omits any mention of their daughter Zoe, heightening the tension in their relationship.
Corporate Conflict
William's actions attract the ire of his employer, Biodyne, who deems his cloned family as corporate property. Jones, William's boss, confronts him with knowledge of the cloning process and threatens to confiscate the clones, prompting William to act in self-defense.
Eradicating the Algorithm
In a desperate bid to protect his family, William decides to destroy the algorithm he created for imprinting minds into synthetic bodies, fearing it could be misused by Jones. This drastic decision highlights his determination to keep his family safe at all costs.
Kidnapping and Betrayal
In retaliation for William's actions, Jones orchestrates the kidnapping of Mona, Sophie, and Matt, using them to coerce William into surrendering control of the algorithm. The betrayal runs deep as William realizes Ed, his colleague, was responsible for reporting him.
A Turning Point
Jones escalates the situation by shooting Ed to intimidate William further. Forced into a corner, William devises a plan to imprint his memories into the synthetic body, creating a version of himself that can aid in rescuing his family.
Rebellion Against Jones
In a climactic confrontation, the robotic version of William joins forces with the human William to fight against Jones and his thugs. Their teamwork culminates in a violent showdown where Robot William defends his cloned family, resulting in the death of Jones.
Mourning and New Beginnings
Following the battle, William grieves the loss of Ed, who sacrificed himself to ensure their survival. With the threat of Jones eliminated, William turns his focus to bringing back Zoe to complete his family and secure a future for them.
Zoe's Resurrection
After 17 more days of intensive work, William successfully clones Zoe, completing his family once again. The reunion, however, remains tinged with the complexities of memory and identity, as they attempt to establish a new normal together.
New Alliances
With Zoe cloned and his family whole again, William finds Jones serving under him, shifting the dynamics of power. Together, they begin to navigate the ethical complexities of William's knowledge, helping others who may also seek a second chance at life.
Explore all characters from Replicas (2019). Get detailed profiles with their roles, arcs, and key relationships explained.
William Foster (Keanu Reeves)
William Foster is a determined scientist who is both a pioneer in synthetic biology and a grieving father. His relentless pursuit to resurrect his family showcases his love and desperation, as he navigates the complex moral landscape of his groundbreaking yet dangerous experiments. His character oscillates between brilliant innovator and morally conflicted individual, raising deep questions about the consequences of his scientific ambitions.
Mona Foster (Alice Eve)
Mona Foster is a caring mother and supportive wife who ultimately becomes entangled in William's dangerous secrets. After being brought back as a clone, she faces the emotional repercussions of her resurrection and is initially unaware of the full circumstances surrounding her family's return. As a character, she embodies resilience and the struggle to regain her lost identity.
Jones (John Ortiz)
Jones is William's superior at Biodyne Corporation and acts as a formidable antagonist. He represents the corporate interests that view William's experiments as potential assets rather than moral dilemmas. His pursuit of control over the cloning technology adds tension to the narrative, highlighting themes of corporate greed and ethical disregard.
Learn where and when Replicas (2019) takes place. Explore the film’s settings, era, and how they shape the narrative.
Time period
The movie does not specify a particular time period, but it incorporates advanced technology indicative of near-future settings. This period focuses on themes of human enhancement and ethical dilemmas surrounding life and death, reflecting contemporary anxieties about technology's role in personal loss and resurrection.
Location
Biodyne Corp Lab, William's Home
The Biodyne Corporation Lab is a cutting-edge facility that specializes in synthetic biology and neural mapping. It is here that William Foster conducts his controversial experiments on cloning and artificial intelligence. William's home serves as a backdrop for the emotional turmoil he faces after losing his family, filled with remnants of their lives and memories.
Discover the main themes in Replicas (2019). Analyze the deeper meanings, emotional layers, and social commentary behind the film.
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Science
The theme of science is central to 'Replicas,' showcasing the ambition and moral quandaries of pushing the boundaries of technology. William Foster's journey highlights both the triumphs and the potential consequences of tampering with life and death through synthetic biology.
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Loss
Loss permeates the film as William grapples with the death of his family and his attempts to bring them back. This theme explores the emotional devastation of losing loved ones and the lengths to which one might go to overcome grief, questioning the very nature of love and memory.
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Ethics
The ethical implications of cloning and artificial intelligence are critical to 'Replicas.' It challenges viewers to consider the moral boundaries of scientific advancements and who holds ownership over life, raising questions about identity and the essence of being human.

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Discover the spoiler-free summary of Replicas (2019). Get a concise overview without any spoilers.
In a near‑future world where scientific ambition brushes the edges of morality, William Foster works in a cutting‑edge biotech lab, mapping neural pathways and exploring the possibility of transferring consciousness into new bodies. The sterile corridors of his research facility pulse with quiet tension, reflecting a society that both reveres and fears the power to rewrite what it means to be human. The film’s tone is a careful blend of cold, clinical precision and an undercurrent of unsettling intimacy, inviting viewers to contemplate the cost of playing god.
A sudden, heartbreaking loss throws William into a desperate quest to defy the finality of death. Grief becomes the engine that drives him to push his controversial cloning work beyond conventional limits, turning his personal tragedy into an obsession with resurrecting what was taken. The narrative lingers on the emotional weight of his decision, framing it as a profoundly human struggle against an indifferent, technologically advanced world.
Assisting him is his reluctant colleague Ed Whittle, whose pragmatic skepticism provides a counterbalance to William’s fervor. Their uneasy partnership highlights the clash between scientific curiosity and ethical restraint, while the presence of William’s family—his wife and children—serves as both motivation and the delicate moral compass that guides the story’s central question: can love justify crossing the line between life and artificial creation? The atmosphere is thick with ethical ambiguity, shimmering with the promise of scientific marvel yet shadowed by the potential consequences of tampering with nature.
As the project advances, the film cultivates a mood of quiet dread and hopeful yearning, keeping the audience poised between awe of the technological frontier and the visceral fear of its unforeseen ramifications. The stage is set for a tense, introspective drama that asks whether the pursuit of redemption through science can ever truly restore what was lost, or if it will lead to a deeper, more unsettling revelation about the essence of humanity.
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