Directed by

Steven R. Monroe
Made by

WT Canada Productions
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Read the complete plot summary and ending explained for The Exorcism of Molly Hartley (2015). From turning points to emotional moments, uncover what really happened and why it matters.
In the wake of a botched exorcism that ends in the deaths of a fellow priest and a pregnant woman, Father James [Tom McLaren] and Father John Barrow [Devon Sawa] are confined to a Catholic mental asylum. Chaplain Henry Davies [Peter MacNeill] informs Barrow that the Vatican has revoked his priestly status, setting a dark tone for the institution’s murky rituals and fractured trust. Meanwhile, Molly Hartley [Sarah Lind] is arrested after police discover the bodies of two friends she had been involved with the previous night. During intense interrogation, she hears strange noises, her voice shifts and deepens, and she begins to refer to herself as “we”—a phenomenon that unsettles everyone around her. She is sent to the same asylum for psychiatric evaluation, where Dr. Laurie Hawthorne [Gina Holden] witnesses her condition worsen as an insect-like creature appears to take up residence inside her.
As Dr. Hawthorne reviews Molly’s past, she uncovers a chilling claim Molly once made to her high school guidance counselor: that she was claimed by the devil on her eighteenth birthday, described as an incubation lasting six years, six months, and six days, a history that apparently involves Dr. Emerson and Molly’s ex-boyfriend Joseph Young, both of whom died in a double suicide after Molly left for Michigan. The mounting supernatural events surrounding Molly push Hawthorne toward the unsettling conclusion that possession is real, and she seeks a dangerous solution. She asks [Father John Barrow] to perform an exorcism in exchange for his release from the asylum; Barrow is initially hesitant, but after a coworker’s suicide, escalating disturbances, and seeing Molly herself up close, he is drawn into Davies’s world and agrees to help, donning clerical attire and gathering the ritual tools.
Barrow’s exorcism is harrowing and surgical: he forces the insect-demons to crawl from Molly’s mouth into a specially prepared box, sealing the container within a basin of holy water. He hands the box back to Davies, who stores it in his basement, a quiet repository that hides a growing threat. Barrow soon notices Davies’ Satanic tome, and Davies explains that the letters on the cover align with Molly’s forehead during the exorcism—revelations about Leviathan, the fourth book of the Satanic Bible that posits the Antichrist will be born after a supreme act of matricide tied to the “mother of the devil,” the person used to incubate the malevolent child. Barrow demands to see the box again, but Davies betrays him, replacing it with a heavy stone and knocking him unconscious.
When Barrow awakens, he finds himself in a locked room in the asylum. He witnesses a patient committing suicide in an adjacent chamber filled with the dead. An orderly leads him to an underground chamber where Davies participates in a ritual to sacrifice Molly to summon the Antichrist and, in a grim twist, to declare Barrow the father of the devil for extracting the demon. Before the ritual can be completed, Dr. Hawthorne lunges in and stabs Davies, interrupting the ceremony, dropping the box, and releasing the insects. Molly’s counterattack follows as she stabs Davies, and Barrow, Hawthorne, and Molly seize the chance to escape while the insect horde turns against the other ritual participants.
The trio makes a narrow escape, and Molly is rushed to safety in an ambulance, her future uncertain but her bond with Barrow and Hawthorne undeniable. Yet the story closes on a chilling note: one of the insects slips free and flees onto a moving school bus, creeping toward an isolated girl in the back seat as the screen fades to black, leaving the audience with a haunting sense of an evil that may not be finished.
Follow the complete movie timeline of The Exorcism of Molly Hartley (2015) with every major event in chronological order. Great for understanding complex plots and story progression.
Botched exorcism and confinement
A botched exorcism results in the deaths of a fellow priest and a pregnant woman, and Father James and Father John Barrow are confined to a Catholic mental asylum. The scandal casts a pall over the institution as suspicion and ritualistic tension rise in the wards. The mood is grim and claustrophobic from the start.
Vatican revokes Barrow's priesthood
Chaplain Henry Davies informs Barrow that the Vatican has revoked his priestly status, stripping away his authority. The decision deepens distrust among staff and inmates and heightens the sense that power within the asylum is shifting. Barrow faces a crisis of faith as the rules of the church collide with his grim new reality.
Molly Hartley arrested and interrogated
Molly Hartley is arrested after police discover the bodies of two friends she had been involved with the prior night. During a tense interrogation, she hears strange noises and her voice deepens as she begins to refer to herself as the plural. She is then sent to the same asylum for psychiatric evaluation.
Molly's condition worsens; insect presence
In the asylum, Dr. Laurie Hawthorne witnesses Molly's condition deteriorate as an insect-like creature seems to take up residence inside her. The phenomenon unsettles staff and patients alike, suggesting a supernatural dimension behind Molly's distress. Hawthorne begins to suspect possession rather than a purely psychiatric illness.
Hawthorne uncovers devil incubation
While reviewing Molly's past, Hawthorne uncovers Molly's claim that she was claimed by the devil on her eighteenth birthday, an incubation lasting six years, six months, and six days. She traces clues through Dr. Emerson and Molly's ex-boyfriend Joseph Young, both of whom died in a double suicide after Molly left for Michigan. The mounting supernatural events push Hawthorne toward the unsettling conclusion that possession could be real.
Hawthorne seeks Barrow; exorcism proposed
Hawthorne believes possession is real and seeks a dangerous solution. She asks Father John Barrow to perform an exorcism in exchange for his release from the asylum; Barrow hesitates but is moved by Molly's condition and the escalating disturbances.
Barrow agrees; prepares for exorcism
After a coworker's suicide and escalating disturbances, Barrow agrees to help, donning clerical attire and gathering ritual tools. He steps into Davies's world with full awareness of the peril and the weight his actions carry. The exorcism is now set in motion.
Exorcism seals demons in a box
Barrow performs a harrowing exorcism, forcing the insect-demons to crawl from Molly's mouth into a specially prepared box and sealing it in a basin of holy water. The ritual is presented as controlled, yet the atmosphere remains tense and ominous. Molly's body convulses as the final demon is trapped.
Davies reads Leviathan; ominous signs
Davies discovers a Satanic tome and explains that the letters on the box align with Molly's forehead, revealing references to Leviathan, the fourth book of the Satanic Bible. He suggests the Antichrist may be born after a supreme act of matricide tied to the mother of the devil. The revelation deepens the sense that the exorcism has unearthed a broader, darker conspiracy within the asylum.
Davies betrays Barrow; box swapped
When Barrow asks to see the box again, Davies betrays him by swapping the box for a heavy stone and knocking him unconscious. The act traps Barrow in Davies's plan and escalates the danger surrounding the containment of the demons. The basement becomes a theater of treachery as the pursuit of power overtakes the healing process.
Barrow wakes; underground ritual begins
Barrow wakes in a locked room within the asylum and witnesses a patient committing suicide in an adjacent chamber filled with the dead. An orderly then leads him to an underground chamber where Davies conducts a ritual to sacrifice Molly to summon the Antichrist and declare Barrow the father of the devil for extracting the demon. The twisted scene confirms the depths of Davies's manipulation.
Hawthorne interrupts the ceremony
Dr. Hawthorne lunges in and stabs Davies, interrupting the ceremony and dropping the box, which releases the insects. Molly fights back in a counterattack, stabbing Davies, and the three of them seize the chance to escape as the insect horde turns on the remaining participants.
Escape and ambulance; fragile alliance
The trio makes a narrow escape from the underground site and Molly is rushed to safety in an ambulance, their fragile alliance forged through shared peril. The immediate danger subsides, but uncertainty about Molly's fate and the future of their group lingers.
Final insect on the bus; ending
As they drive away, one insect slips free and flees onto a moving school bus, creeping toward an isolated girl in the back seat. The final image leaves a haunting sense that the evil has not ended and may spread beyond the asylum's walls.
Explore all characters from The Exorcism of Molly Hartley (2015). Get detailed profiles with their roles, arcs, and key relationships explained.
Molly Hartley (Sarah Lind)
Central figure whose possession manifests as voice shifts and the phrase 'we.' Her past hints at occult incubations and tragedy, making her both victim and vessel for a malevolent force. The insect demon's presence drives the conflict and shapes her fragile, determined behavior.
Father John Barrow (Devon Sawa)
A priest who wrestles with his conscience as he participates in an exorcism and navigates institutional politics. He is drawn deeper into Davies's circle after a coworker's suicide and the mounting crises surrounding Molly. His resolve is tested by the line between salvation and complicity.
Dr. Laurie Hawthorne (Gina Holden)
The asylum's doctor who witnesses Molly's deteriorating condition and the demon's influence. She investigates Molly's past and pushes for a dangerous exorcism, acting as the pivot between medical science and occult intervention. Her choices reveal the cost of seeking cures in a world where belief and evidence clash.
Chaplain Henry Davies (Peter MacNeill)
A figure of authority who informs Barrow of the Vatican's revocation and oversees the asylum's dark rites. He betrays Barrow by seizing the exorcism's prize and orchestrating a ritual to summon the Antichrist. His actions drive the plan toward a perilous culmination before Hawthorne intervenes.
Learn where and when The Exorcism of Molly Hartley (2015) takes place. Explore the film’s settings, era, and how they shape the narrative.
Location
Catholic mental asylum (Michigan)
The setting centers on a dim Catholic mental asylum where science and ritual collide. Murky procedures, secretive basements, and underground chambers house a web of occult activity alongside medical care. The location's sterile atmosphere is contrasted with sinister rites, shaping a claustrophobic, ominous mood.
Discover the main themes in The Exorcism of Molly Hartley (2015). Analyze the deeper meanings, emotional layers, and social commentary behind the film.
🕯️
Faith vs Evil
Exorcism and belief collide as Molly's condition is evaluated by doctors and priests. The ritual exposes moral ambiguities within the institution, showing how faith and authority can be used to exert control. The film questions whether salvation comes from faith, science, or a dangerous blend of both, leaving the ultimate source of evil ambiguously defined.
🔍
Trust & Deception
Powerful figures within the asylum manipulate events to pursue hidden goals, while Barrow and Hawthorne discover dangerous truths behind Davies's plans. Davies's betrayal, the hidden satanic tome, and the box in the basement reveal how secrets can fester in institutions. The pursuit of truth becomes a fight against manipulation and concealed motives.
🪲
Demonic Invasion
The possession manifests as insect-like demons that inhabit Molly and threaten others through the exorcism process. The creatures are forced into a container and set aside, only to escape and continue menacing events. The ending hints that evil has not been contained, as a stray insect crawls onto a moving bus, suggesting a wider reach of the threat.

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Explore the mobile appDiscover the spoiler-free summary of The Exorcism of Molly Hartley (2015). Get a concise overview without any spoilers.
In a bleak, institutional world where the line between sanity and darkness blurs, Molly Hartley finds herself thrust from a harrowing accusation into the stark corridors of a Catholic mental asylum. The walls echo with whispered prayers and the faint hum of unseen dread, hinting that something far beyond ordinary trauma may be taking hold of her fragile mind. As the atmosphere tightens, the audience is invited to feel the oppressive weight of an environment that is as much a character as any of its inhabitants.
Enter Father John Barrow, a priest whose own reputation has been stripped away, leaving him a shadow of the faith he once embodied. Summoned to the asylum, he carries a mixture of desperation and lingering doubt, his past failures casting a long, unsettling shade over his present task. His uneasy partnership with the facility’s staff adds a layer of tension, suggesting that redemption may be as elusive as the whispers that curl through the night‑shift hallways.
Behind the scenes, the asylum’s chaplain and its chief doctor, Chaplain Henry Davies and Dr. Laurie Hawthorn, each embody a different approach to the growing unease surrounding Molly. While one clings to doctrinal certainty, the other balances clinical observation with a reluctant openness to the uncanny. Their interactions weave together themes of faith, science, and the unknown, creating a tapestry of suspicion and fragile hope.
The film’s tone settles into a slow‑burn horror that thrives on atmosphere rather than overt spectacle. Shadows stretch, silence presses, and every rustle carries the promise of something unseen. Within this claustrophobic setting, the central question hangs in the air: can a broken man of the cloth confront a force that may be beyond any earthly rite, and what will the cost of that confrontation be?
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