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Plot Summary

The Monitor (2011) Plot Summary Explained

Release, runtime and language
2011 · 93 mins · Norwegian
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Directed by
Pål Sletaune
Starring
Noomi Rapace, Henrik Rafaelsen, Maria Bock, Stig R. Amdam, Kristoffer Joner, Anderz Eide

In Oslo, Norway, Anna and her young son Anders, still reeling from a recent trauma, relocate to a sprawling apartment building. Plagued by constant fear and insecurity, Anna purchases a baby‑call to keep a vigilant ear on Anders while he sleeps, questioning how far she will go for the one she loves.

On this page (5)
  1. 1 Where to watch
  2. 2 What happens: full plot
  3. 3 Plot questions answered
  4. 4 Movie threads
  5. 5 Every angle
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Full plot summary · contains spoilers

What Happens in The Monitor: Full Plot Summary

The whole story of The Monitor (2011) explained, from the opening scene to the final frame: every key event, every twist and what it all adds up to. Read it as a quick recap before the sequel, to check a scene you missed, or to finally understand what really happened.

Noomi Rapace as Anna and Vetle Qvenild Werring as Anders move into a spacious flat on the outskirts of Oslo, hoping that distance from their past can shield them from the violent ex-husband who might still try to claim custody. They are watched over by the intermittent visits of Grete, [Maria Bock], and Ole, [Stig R. Amdam], two child-care workers who warn Anna that the custody battle could reopen at any moment. To keep Anders safe, Anna initially makes him sleep in her room, but when the case workers discourage this, she buys a baby monitor to keep a constant vigil from afar, a decision that will blur the lines between protection and fear.

At a local electronics store, Anna encounters Helge, a shy man whose mother’s terminal illness casts a shadow over his life. Helge’s quiet, patient understanding of Anna’s struggle offers a rare solace: a chance to be seen and not judged, a contrast to the relentless pressure of maintaining boundaries for her son. Their budding friendship is gentle and tentative, a small island of warmth in a relationship built on shared vulnerability. Helge respects Anna’s fierce commitment to not letting go of Anders, even as he grapples with his own family worries, and Anna finds in him a listener who doesn’t rush to solutions or judgment.

One night, the baby monitor reveals unsettling sounds—voices and screams that cut through the night. Anna races to Anders’ room, only to find him sleeping peacefully. Helge explains that the monitor can pick up distant frequencies, and together they try to interpret the data on a map sketched by Anders. The sense of danger grows more complex: Anders introduces Anna to a boy who looks like him and claims he is a new friend, a quiet, enigmatic figure who unsettles Anna with his silence and odd behavior. A disturbing drawing by Anders—a dead body smeared with blood near their apartment complex—seems to confirm Anna’s fear that something is deeply wrong, and she attributes the image to her son’s unsettling “friend.”

A visit to a lakeside area becomes a chilling turning point. The pair are redirected to a parking lot, and Anna’s suspicions of foul play intensify as she follows a woman she believes is connected to the screaming on the baby monitor. She witnesses a man drowning the boy who claimed to be Anders’ friend, and in a desperate bid to intervene, Anna leaps into the water only to blackout. She awakens in a hospital, drenched and confused, with the fog of fear still clinging to her.

Back at school, the principal accuses Anna of child abuse as she tries to reclaim responsibilities for Anders, and she returns home determined to protect him, even if it means defying authority. The front door is left ajar when she first stumbles back inside, and Ole appears with a troubling update: the ex-husband is coming to take Anders away. In the heat of panic, Anna grabs a pair of scissors and fatally wounds Ole just outside their doorway, the act borne of fear, blame, and a desperate need to keep Anders safe at any cost.

Helge rushes to the scene, only to find Anna on the windowsill, Anders’ small presence seemingly wrapped around her as if to anchor them to the world. As he approaches, Anna tilts forward and falls, and Helge finds her body in the room below, with Anders gone into the silence of the building. The subsequent revelation unsettles the heart of the story: Anna’s husband had killed Anders years earlier and then taken his own life. Helge discovers a drawing Anna had made of a grave near the apartment block, and in the forest he finds a buried body—likely the boy who claimed to be Anders’ friend, a victim of brutal parents and hidden abuse.

In the final moments, Helge sits beside Anna’s body and recounts the old tale of a boy and his mother, a bleak truth about a family pulled apart by fear and violence. Yet the film closes on a note of quiet, if bittersweet, tenderness: a memory of Anna and Anders walking together in the forest, then sitting by the water’s edge, a fleeting vision of safety and connection that persists beyond tragedy.

Last updated: November 22, 2025 at 15:59

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Plot questions answered

The Monitor Plot Explained: Your Questions Answered

The questions people ask most about The Monitor (2011): what happens in the confusing scenes, why the characters do what they do, the twists, hidden details and what the ending means. Each answer contains spoilers.

Q1

Why does Anna kill Ole?

Anna kills Ole in a moment of panic when he arrives to tell her that her ex-husband is coming to take Anders away. Overwhelmed by fear and desperate to protect her son from what she perceives as a serious threat, Anna grabs a pair of scissors and fatally stabs him outside her apartment door. The act is driven by her relentless anxiety and her belief that she must do anything to keep Anders safe.

Foreshadowing: Earlier in the film, Ole and Grete warn Anna that the custody case could reopen at any moment, planting the seed of legal threat.

  • anna
  • ole
  • stabbing
  • custody
  • ex-husband
  • protection
Q2

Who is the boy Anders calls his friend?

The mysterious silent boy who claims to be Anders' friend is actually the ghost of another child, likely a victim of abuse whose body is later discovered buried in the forest near the apartment complex. Anders, who is himself dead, appears to be interacting with this other deceased child throughout the film.

Foreshadowing: Anders introduces a quiet, distant boy to Anna, and the child's behavior is noticeably odd and unsettling.

  • mysterious friend
  • anders
  • ghost
  • boy
  • forest
  • buried body
Q3

What happened to Anders?

Anders was killed by Anna's husband years before the events of the film, shortly after the husband also took his own life. Anna has been living in a state of severe psychological trauma, believing her son is still alive. The entire narrative takes place in Anna's fractured mind, where sheimagines Anders still living with her in the apartment.

Foreshadowing: The film establishes early on that Anna is reeling from a recent trauma and is under significant stress.

  • anders
  • death
  • husband
  • suicide
  • killed
  • revelation
Q4

Why does Anna fall from the window?

After stabbing Ole, Helge arrives to find Anna sitting on the windowsill with Anders in her arms. As Helge approaches, Anna leans forward and falls to the street below. This appears to be either a suicide or a psychotic break where she acts on her distorted reality, possibly believing she and Anders were escaping together.

Foreshadowing: Anna's escalating paranoia and isolation throughout the film hint at her deteriorating mental state.

  • anna
  • window
  • fall
  • death
  • helge
  • anders
Q5

Why does Helge find a drawing of a grave near the apartment?

Helge discovers a drawing made by Anna depicting a grave near the apartment complex. This drawing represents Anna's buried knowledge or suppressed memory of her son's death. Later, Helge finds an actual buried body in the forest, the boy who claimed to be Anders' friend, a victim of brutal parents.

Foreshadowing: Anna finds a disturbing drawing by Anders of a dead body near their apartment, which she attributes to the mysterious friend.

  • grave
  • drawing
  • anna
  • forest
  • buried body
  • helge
Q6

What are the screams picked up by the baby monitor?

When the baby monitor picks up disturbing sounds including screams, Helge explains that the device can pick up distant frequencies from nearby households. However, given the film's psychological nature and the revelation about Anders, these sounds may also represent Anna's fragmented perception of real events or her mind's interpretation of past trauma.

Foreshadowing: The monitor initially seems to pick up ordinary interference, but the subsequent events suggest something more sinister.

  • baby monitor
  • screams
  • sounds
  • frequency
  • interference
Q7

Why does Anna form a connection with Helge?

Anna is drawn to Helge because he offers her something rare: understanding without judgment. At the electronics store, Helge shares his own burden of having a terminally ill mother, creating a bond built on shared vulnerability. Unlike the child-care workers who pressure her, Helge respects Anna's fierce commitment to protecting Anders without rushing to solutions.

Foreshadowing: Their meeting occurs at a pivotal moment when Anna is purchasing the monitor that will intensify her surveillance.

  • helge
  • anna
  • connection
  • vulnerability
  • understanding
Q8

Why does Anna take Anders to the lake and what happens there?

Driven by her suspicion that the woman connected to the baby monitor sounds is involved in something sinister, Anna takes Anders to a nearby lake. Instead of finding answers, she ends up in a parking lot where she witnesses a man drowning the boy who claimed to be Anders' friend. Believing she can save the child, Anna jumps into the water and blacks out, waking up in a hospital.

Foreshadowing: Earlier, Anna discovers a disturbing drawing by Anders of a dead body near their apartment, fueling her paranoia.

  • lake
  • parking lot
  • drowning
  • anna
  • boy
  • witness
Q9

What does Helge discover about Anna's past?

After Anna's death, Helge uncovers the devastating truth: Anna's husband killed Anders years earlier and then committed suicide. The entire story has been unfolding in the aftermath of this tragedy, with Anna living in a delusional state where she believed Anders was still alive. Her extreme vigilance and paranoia stem from unresolved grief and trauma.

Foreshadowing: The film establishes early that Anna is still reeling from a recent trauma, but the exact nature is kept hidden.

  • helge
  • revelation
  • husband
  • killed
  • anders
  • truth
  • suicide
Q10

Why is Anna accused of child abuse?

After Anna is released from the hospital following the lake incident, she goes to retrieve Anders from school. The principal accuses her of child abuse and forbids her from taking him home. This accusation, combined with the earlier threats about custody, intensifies Anna's paranoid belief that everyone, authorities, child-care workers, her ex-husband, is trying to take Anders away from her.

Foreshadowing: Grete and Ole have been monitoring the family and warned that the custody case could reopen at any moment.

  • child abuse
  • accusation
  • principal
  • school
  • custody
Q11

What is the significance of Helge's fairy tale at the end?

In the epilogue, Helge sits beside Anna's body and recounts an old tale about a boy and his mother being torn apart by fear and violence. This dark story mirrors the tragedy of Anna and Anders, reflecting the film's themes of loss, trauma, and the destructive power of fear. The closing image of Anna and Anders walking peacefully in the forest represents a final, bittersweet moment of imagined safety.

Foreshadowing: The film's narrative has consistently used fairy tale-like imagery and the motif of a mother trying to protect her child.

  • helge
  • fairy tale
  • ending
  • epilogue
  • boy
  • mother
  • fear

Movie threads

More Movies Like The Monitor, by Mood & Story

Curated lists built around what makes The Monitor tick: the same mood, the same kind of story or the same emotional payoff. Each list explains why these movies belong together.

Movies where parental fear turns to paranoia like in The Monitor

Stories where a parent's fear for their child becomes a self-destructive obsession. If the intense, anxiety-fueled journey of a protective parent in The Monitor gripped you, explore these similar films. This list features psychological thrillers and dramas where a character's love for a child spirals into desperate, isolating fear, often with devastating results.

  • anxious
  • desperate
  • oppressive
  • paranoid
  • protective
  • tragic
  • Tone: tense, paranoid, melancholic
  • Pacing: steady, deliberate build
Why these movies?

The story pattern: These stories typically follow a protagonist, already vulnerable from past trauma, who becomes convinced their child is in imminent danger. Their protective instincts escalate into paranoia, causing them to distrust their environment and loved ones. The plot unfolds as their increasingly desperate actions push them towards a climax where reality and delusion collide, frequently ending in profound loss.

Why they belong together: Movies are grouped here because they share a core focus on the dark side of parental love—the transformation of care into crippling fear. They create a similar viewing experience of high tension and psychological unease, built on a foundation of heavy emotional weight and a pervasive sense of dread.

Claustrophobic thrillers about psychological collapse like The Monitor

Films where a character's mental state fractures within an isolating environment. For viewers who appreciated the oppressive, confined atmosphere of The Monitor, this list highlights similar films. Discover stories where characters psychologically unravel within isolating settings, blending domestic drama with intense thriller elements to create a disorienting and tense experience.

  • claustrophobic
  • disorienting
  • isolating
  • oppressive
  • paranoid
  • psychological
  • Tone: oppressive, disorienting, bleak
  • Pacing: steady, methodical
Why these movies?

The story pattern: The narrative pattern involves a character, already emotionally fragile, becoming trapped either physically or psychologically within a specific location. The environment feels increasingly hostile and confining, mirroring their internal turmoil. As their sanity erodes, they struggle to discern real threats from delusions, leading to a climax that reveals the extent of their breakdown, often with a bleak or tragic resolution.

Why they belong together: These films are grouped by their shared ability to generate a palpable sense of claustrophobia and psychological disorientation. They use a confined setting not just as a backdrop but as an active element that intensifies the protagonist's paranoia and fear, resulting in a consistently oppressive and anxious vibe.

Every angle

The Monitor (2011) Explained: Plot, Timeline & Characters

Everything about The Monitor in one place: what happens in the plot summary, the timeline in chronological order, the characters and meaning and a spoiler-free summary. What's After the Movie adds the cast, box office and post-credit scenes.

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