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Amityville Exorcism (2017) Plot Summary & Timeline

Amityville Exorcism (2017) movie poster

Amityville Exorcism is a 2017 horror film directed by Mark Polonia, running 1 hour 17 minutes. This page retells the whole story in 439 words (about 2 minutes to read) and covers 14 key events in order, 12 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 Amityville Exorcism.

to read the plot summary
2 min
key events in the timeline
14
characters profiled
12
themes explained
3
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Amityville Exorcism (2017) movie poster
Released
Runtime
1h 17m
Director
Mark Polonia
Genre
Horror
Original language
English
No spoilers

What Is Amityville Exorcism About?

The premise of Amityville Exorcism in 284 words, with nothing given away. The full story follows below.

In the quiet suburbs of Amityville, a house that has long whispered of tragedy casts a lingering shroud over the lives it shelters. The lingering echo of decades‑old murders creates an atmosphere thick with unease, turning ordinary rooms into places where shadows seem to linger just beyond sight. The town itself feels both ordinary and foreboding, its familiar streets a stark contrast to the unsettling history embedded in the very walls of the home.

Amy Dukane returns home with her father, Jeremy, after a series of personal hardships have already frayed the edges of their family. Their everyday concerns—grief, strain, and the struggle to rebuild—are amplified by a growing sense that something unseen watches them from within the house. While Jeremy grapples with his own demons, Amy’s behavior begins to hint at a deeper, more inexplicable disturbance that unsettles the fragile equilibrium they have tried to restore.

When the oppressive atmosphere proves too much to bear, the family turns to a solitary, enigmatic figure known only as Father Benna. A priest whose reputation for confronting the inexplicable is both whispered and feared, he arrives carrying a quiet confidence that suggests he has faced darkness before. His presence introduces a delicate tension between skepticism and hope, as the family must decide whether to place their faith in his unconventional methods.

The film unfolds as a slow‑burning descent into a world where belief and fear intertwine. Its tone is steeped in gothic dread, balanced by moments of intimate, human vulnerability. As the unseen force draws ever tighter around the household, the audience is left to wonder how far the boundaries of faith will be tested and what hidden truths lie dormant beneath the house’s cursed past.

Full plot

What Happens in Amityville Exorcism?

The complete story of Amityville Exorcism, from the first scene to the last, in 439 words (about 2 minutes). Spoilers throughout. Names in the text link to 4 cast member pages.

Spoilers ahead

In Amityville, New York, a general contractor named Charles Humes, Ken Van Sant, is facing execution after killing his wife and two daughters with a hammer. The day before the sentence is carried out, he meets with Father Benna, Jeff Kirkendall, and opens up about a disturbing belief: the killings were driven by demons he claims reside within lumber he took from 112 Ocean Avenue, a house that had been haunted until an exorcism performed by Benna’s brother, Father Jonas, ended with Father Jonas’s death. The traumatic memory of Jonas’s death continues to haunt Benna. Charles reveals that the tainted wood was later used in his own home and in other properties, and he hands Benna a list of those affected.

Among the properties on that list is a house inhabited by Amy Dukane, Marie DeLorenzo, and her abusive alcoholic father, Jeremy. Jeremy is described as a widower after his wife Bonnie, Bonnie Dukane Kathryn Sue Young, dies in a drunk-driving crash caused by Jeremy. As the story unfolds, both Amy and Benna begin to experience terror from a demon that seems to corrupt the house’s wood, and that demon drives a burglar to a grisly fate, disemboweling him before infusing Amy with a cluster of demons known as Legion.

Amy’s affliction intensifies during a night walk in the woods, where she and the demon are implied to be responsible for the death of a photographer, who is killed under the demon’s influence. Meanwhile, Jeremy becomes a target of the haunting as Benna visits him at his home, and Jeremy remains skeptical about the claimed haunting until Amy torments him with visions of Bonnie. The tension escalates when Amy murders her boyfriend, Robby, while Benna is blessing the residence. After this, Amy’s strength wanes, and Benna and Jeremy restrain her to a bed, hoping the exorcism can take effect.

As the exorcism begins in earnest, Amy’s restraints are tested when she summons the demon that implanted her with Legion. The demon taunts Father Benna, who responds by drawing a bloody cross on the demon—a cross that is created from a wound Benna bears. The dramatic moment culminates as the cross seems to banish the demon and Legion back to Hell, freeing Amy from their hold.

With Amy freed from the possession, she and Jeremy begin to repair their fractured relationship, while Father Benna prepares to confront the wider problem: the remaining properties that were tainted by 112 Ocean Avenue’s cursed wood, now scattered across the area. The fates of the other houses and their occupants linger as Benna heads out to continue the work of countering the lingering curse.

Timeline

Amityville Exorcism Timeline: Every Key Event in Order

14 key events in the order they happen, from “Charles Humes is sentenced to death” to “Aftermath: reconciliation and cleansing”. 14 events name a place, across 10 locations.

  1. 1

    Charles Humes is sentenced to death

    A general contractor named Charles Humes is sentenced to death for killing his wife and two daughters with a hammer in Amityville, New York. The verdict sets a dark tone for the case, linking murder to the supernatural claims that will surface later. The town processes the tragedy as a prelude to the haunting events that follow.

    When:Day of sentencing Where:Amityville, New York

  2. 2

    Charles meets Father Benna before execution

    The day before his execution, Charles meets with Father Benna. He confides that demons possess him and reside in the lumber he took from 112 Ocean Avenue. The confession hints at the supernatural chain of possession that will drive the later exorcism.

    When:Day before execution Where:Prison cell, Amityville

  3. 3

    Haunted lumber and Father Jonas's exorcism

    Charles explains the demons live in the tainted wood from 112 Ocean Avenue, a house that was haunted until an exorcism performed by Father Jonas. Jonas died during that exorcism, a death that still haunts Benna. The revelation connects the cursed wood to the current possession gripping the town.

    When:Before execution Where:112 Ocean Avenue

  4. 4

    Charles adds tainted wood to homes

    Charles reveals he added the tainted wood to his own home and other properties, then gives Benna a list of affected houses. The implication is that multiple sites may be compromised by the same demonic influence. Benna must decide how to respond to this wider threat.

    When:After confession Where:Charles's properties

  5. 5

    Amy Dukane and Jeremy inhabit a haunted house

    One of the houses on Charles's list is inhabited by Amy Dukane and her abusive alcoholic father, Jeremy. The pair become central figures as the demon's influence grows. Jeremy's backstory includes the loss of his wife Bonnie in a drunk driving crash caused by him.

    When:Early after tainted wood introduced Where:Amy's house

  6. 6

    Demon terrorizes Amy and Benna; Legion implanted

    A demon begins tormenting Amy and Benna, disemboweling a burglar before implanting Legion into Amy. The attack marks the first overt escalation of the haunting. The possession sets the stage for Amy's transformation.

    When:Early haunting Where:Around Amy's house

  7. 7

    Photographer killed in the woods

    While Amy is walking in the woods, the demon possessing her attacks and kills a photographer. The murder demonstrates the demon's reach beyond the home and signals the threat to others nearby. The violence escalates the haunting for the characters involved.

    When:Soon after possession Where:Wooded area near Amy's residence

  8. 8

    Jeremy skeptical; Bonnie visions torment him

    Benna visits Jeremy to discuss the haunting, but Jeremy remains skeptical about the house being haunted. He is eventually tormented by visions of Bonnie, his deceased wife, which shake his disbelief. The supernatural harassment increases the tension between the characters.

    When:After the photographer's death Where:Jeremy's home

  9. 9

    Amy murders Robby during a house blessing

    Amy murders her boyfriend Robby while Benna is blessing the house. The murder shows how far the possession has progressed even as a ritual attempt to expel the demon proceeds. Jeremy and Benna respond to the crisis.

    When:During blessing Where:Amy's house

  10. 10

    Amy restrained after the blessing

    Amy returns from the blessing weakened and is tied to her bed by Benna and Jeremy. The restraint marks the shift from possession to containment as they try to control the dangerous force. The scene heightens the sense of urgent peril.

    When:After blessing Where:Amy's bedroom

Show the other 4 events of Amityville Exorcism
  1. 11

    Hideous visage and animated dolls attack

    Amy assumes a hideous visage and plays mind games with Jeremy as she animates dolls that move to attack Benna. The dolls threaten both Benna and the exorcism effort. The haunting intensifies as the exorcism proceeds.

    When:During exorcism Where:Amy's bedroom

  2. 12

    Exorcism intensifies; Amy is summoned

    Benna fends off the animated dolls and begins performing an exorcism on Amy. Amy breaks free of her restraints, forces Jeremy out of the room, and summons the demon that implanted Legion. The confrontation moves toward a climactic moment.

    When:During exorcism Where:Amy's bedroom

  3. 13

    Blood cross banishes demon and Legion

    The demon taunts Benna as he draws a cross in blood from a wound Amy inflicted. The cross banishes the demon and Legion back to Hell, freeing Amy from possession. The moment marks a hard won victory for the exorcism.

    When:Climax of exorcism Where:Amy's bedroom

  4. 14

    Aftermath: reconciliation and cleansing

    With the haunting ended, Amy and Jeremy reconcile. Benna heads out to deal with the other properties that have 112 Ocean Avenue's cursed wood added to them. The story ends with a sense of ongoing cleansing and danger still present.

    When:After exorcism Where:Amy's house and various properties

Characters

Who Are the Main Characters in Amityville Exorcism?

12 characters, among them Charles Humes (Ken Van Sant), Amy Dukane (Marie DeLorenzo) and Jeremy Dukane (James Carolus): who each one is and the part they play in the story. Every profile links to the actor’s page.

  • CH

    Charles Humes (Ken Van Sant)

    Played by Ken Van Sant

    A general contractor who killed his wife and two daughters, claiming demons possessed him due to tainted wood from 112 Ocean Avenue. His rationalization masks deeper paranoia and fear, driving the action as his past actions unleash supernatural retribution.

    • 🔨 Villain
    • 🧪 Possession
    • 🗝️ Trauma
  • AD

    Amy Dukane (Marie DeLorenzo)

    Played by Marie DeLorenzo

    A woman who becomes possessed by demons, turning friendly interactions into terror as Legion takes hold. The possession drives her actions and endangers those around her until the exorcism attempts attempt to restore control.

    • 👁️ Possessed
    • 🩸 Haunting
  • JD

    Jeremy Dukane (James Carolus)

    Played by James Carolus

    Amy’s abusive alcoholic father who is skeptical of haunting claims until he is haunted himself. He becomes a reluctant ally to Benna as the danger escalates.

    • 👁️ Abuser
    • 🕯️ Skeptic
  • FB

    Father Benna (Jeff Kirkendall)

    Played by Jeff Kirkendall

    A priest who conducts the exorcism on Amy and grapples with the memory of his brother Jonas’s death during a prior rite. He remains determined to confront the demon despite the cost.

    • 🙏 Priest
    • 🕯️ Exorcism
  • FJ

    Father Jonas (Steve Diasparra)

    Played by Steve Diasparra

    Benna’s brother, who died during an exorcism at 112 Ocean Avenue, a death that still haunts Father Benna and adds weight to the ongoing struggle against evil.

    • 🙏 Priest
    • 🕯️ Sacrifice
  • P(

    Photographer (Titus Himmelberger)

    Played by Titus Himmelberger

    A victim killed by the demon in the woods as Amy’s possession unfolds, illustrating the demon’s reach beyond the main household.

    • 📷 Victim
    • 😱 Tragedy
  • MH

    Mrs. Humes (Yolie Canales)

    Played by Yolie Canales

    Charles’s wife, whose fate and experiences are tied to the family’s collapse under the weight of the haunting.

    • 👩 Wife
    • 🕯️ Grief
  • BD

    Bonnie Dukane (Kathryn Sue Young)

    Played by Kathryn Sue Young

    Amy’s mother, who died in a drunk-driving crash caused by Jeremy; her memory is invoked as the family’s pain echoes through time.

    • 👩 Widow
    • 🕯️ Tragedy
  • R(

    Robby (Austin Dragovich)

    Played by Austin Dragovich

    Amy’s boyfriend who is murdered by Amy during the house blessing, illustrating the danger the possession creates for loved ones.

    • 💘 Victim
    • 💔 Murdered
  • B(

    Burglar (Todd Carpenter)

    Played by Todd Carpenter

    A burglar who is disemboweled by the demon, showing the demon’s brutal reach beyond the central family.

    • 👤 Victim
    • 🗡️ Death
  • D(

    Daughter (Claire Young)

    Played by Claire Young

    One of Charles Humes’s two daughters, killed in the initial familicide, a tragedy that anchors the haunting across the houses.

    • 👧 Victim
    • 🩸 Tragedy
  • D(

    Daughter (Samantha Young)

    Played by Samantha Young

    The other daughter, a victim in the same act of violence that begins the haunting.

    • 👧 Victim
    • 🩸 Tragedy
Setting

Where and When Is Amityville Exorcism Set?

Amityville Exorcism is set in Amityville, New York and 112 Ocean Avenue. Here is why the place matters to the story.

Where

Amityville, New York, 112 Ocean Avenue

The setting centers on Amityville, New York, and the infamous 112 Ocean Avenue house. The tainted wood linked to the original haunting travels to other properties, spreading a malevolent influence. The town's quiet facade is broken by escalating supernatural terror tied to the house’s dark history.

  • 👻 Haunted
  • 🕯️ Exorcism
  • 🏚️ Haunted House
  • 🩸 Possession
Themes

What Are the Themes of Amityville Exorcism?

3 ideas the story keeps returning to, among them Possession, Exorcism and Family trauma.

  1. 01

    Possession

    Demonic forces take control of Amy, using the tainted lumber and the house as a conduit. Legion manifests through visions, transformations, and deadly acts, driving the plot. The film uses possession to explore how evil can blur personal boundaries and threaten family bonds. The thread of possession extends across multiple properties connected to 112 Ocean Avenue.

  2. 02

    Exorcism

    Father Benna confronts the demon with ritual power, while memories of Father Jonas’s fatal exorcism haunt his efforts. The rite exposes the limits and costs of faith when confronting ancient evil. Rituals illuminate the tension between protection and vulnerability within the priest and those he seeks to save. The climax centers on banishing the demon and freeing Amy.

  3. 03

    Family trauma

    The story’s spark is the brutal familicide Charles commits, which devastates his wife and two daughters. The trauma reverberates through the town and the surviving family, fueling fear and cycles of violence. The haunted houses and the cursed wood symbolize unresolved pain carried across generations. The film links personal catastrophe to supernatural vengeance.

Tone & mood

What Kind of Film Is Amityville Exorcism?

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

Tone
Dark
Pacing
Steady
Story
Moderate
Intensity
High
Ending
Happy

A consistently tense and dark horror film that delivers a steady stream of supernatural terror, focusing on a family's desperate struggle against a demonic force corrupting their home.

  • oppressive
  • anxious
  • demonic
  • haunting
  • traumatic
  • grisly
  • demonic possession
  • exorcism
  • haunted house
  • family trauma

Content notes: graphic violence, murder, demonic possession, child endangerment, domestic abuse, alcoholism.

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FAQ

Amityville Exorcism Plot Questions

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

What is Amityville Exorcism about?

In the quiet suburbs of Amityville, a house that has long whispered of tragedy casts a lingering shroud over the lives it shelters. The lingering echo of decades‑old murders creates an atmosphere thick with unease, turning ordinary rooms into places where shadows seem to linger just beyond sight.

Read the full plot summary

When and where does Amityville Exorcism take place?

Amityville Exorcism is set in Amityville, New York and 112 Ocean Avenue. The setting centers on Amityville, New York, and the infamous 112 Ocean Avenue house. The tainted wood linked to the original haunting travels to other properties, spreading a malevolent influence.

The setting explained

Who are the main characters in Amityville Exorcism?

The story follows Charles Humes (Ken Van Sant) (played by Ken Van Sant), Amy Dukane (Marie DeLorenzo) (played by Marie DeLorenzo), Jeremy Dukane (James Carolus) (played by James Carolus) and Father Benna (Jeff Kirkendall) (played by Jeff Kirkendall); the character guide covers 12 characters in all.

All the characters

What are the main themes of Amityville Exorcism?

The summary picks out 3 themes: Possession, Exorcism and Family trauma.

The themes explained

Who directed Amityville Exorcism?

Amityville Exorcism (2017) was directed by Mark Polonia and runs 1 hour 17 minutes.

Mark Polonia’s films

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