Year: 2017
Runtime: 93 min
Language: English
Director: Oz Perkins
During winter break, Kat and Rose find themselves alone at their secluded prep school, Bramford, where unsettling events begin to happen. Simultaneously, Joan embarks on a journey, driving towards the same school with a hidden agenda. As Kat struggles with her sanity, Rose attempts to help her friend navigate a growing darkness, while Joan's arrival adds to the increasingly bizarre and unsettling atmosphere surrounding Bramford.
Warning: spoilers below!
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Read the complete plot breakdown of The Blackcoat's Daughter (2017), including all key story events, major twists, and the ending explained in detail. Discover what really happened—and what it all means.
The narrative unfolds across three intertwining timelines: “Rose,” “Joan,” and “Kat,” which converge dramatically at the film’s climax.
Rose
In February at the prestigious Bramford Academy, a Catholic boarding school located in upstate New York, students eagerly anticipate being picked up by their parents for an upcoming week-long break. Among them are Kat, a freshman, and Rose, a senior. Rose, suspecting she might be pregnant, chooses to deceive her parents about the vacation dates to buy some time. Meanwhile, Kat experiences a haunting premonition of her parents’ tragic demise in a car accident. That same night, Rose leaves to confide in her boyfriend about her pregnancy. Hours later, Kat receives a distressing phone call. When Rose returns, she discovers Kat in the boiler room, engaging in unsettling behavior and making cryptic statements about her parents’ deaths, which leaves Rose shaken. After Rose exits, Kat’s body begins to contort and convulse ominously in her bed.
The following morning, both Rose and a visibly ill Kat join the nuns for breakfast. Kat’s erratic behavior escalates as she suddenly vomits and hurls curses at the nuns. After a troubling phone call, the nuns instruct Rose to shovel the driveway “down to the earth” in preparation for the unexpected return of Headmaster Gordon. Upon his arrival, accompanied by a police officer, they stumble upon a chilling bloodstain on the wall, eliciting shock and concern from the men.
Joan
In a different timeline, a young woman named Joan arrives at a bus stop after having escaped from a mental institution. An amiable older couple, Bill and Linda, offer her a ride. They check into a motel, where Joan showers, revealing a scar on her shoulder—a remnant of a violent past where she was shot by a policeman. Bill admits that Joan reminds him of his late daughter, whose name is revealed to be Rose. The next day marks the ninth anniversary of Rose’s death, a day her parents consistently pay tribute to the school. In a moment of recognition, Joan retreats to the bathroom, attempting to stifle her laughter. It soon becomes apparent that “Joan” is an assumed identity; the real Joan was a woman she murdered to take over her life.
Kat
As winter break approaches, Kat finds herself drawn into a sinister connection with an entity that appears alternately as a horned shadow and communicates with her in a gravelly voice. This malevolent presence warns her of her parents’ imminent deaths and urges her to commit murder. After a disturbing breakfast, the nuns receive the horrific news of Kat’s parents’ death. As Rose is sent outside to shovel the driveway, Kat tragically murders both nuns. Following the confirmation of her menstruation—indicating she is not pregnant—Kat gruesomely attacks Rose, killing and beheading her. Gordon and the policeman discover Kat prostrated in front of the boiler, surrounded by the severed heads of her victims. With a chilling declaration of “Hail Satan!” escaping her lips, she is shot by the policeman in her shoulder, revealing that “Joan” is none other than Kat. Subsequently, she is confined to a mental institution, where a priest attempts an exorcism. While the exorcism seems initially successful, Kat pleads with the demon not to depart, marking the beginning of her complex struggle with the darkness within.
Nine years later, the “Joan” now embodying Kat commits a grisly act of violence against Bill and Linda when they stop in Bramford. After beheading their bodies, she attempts to summon the demon she once lost in the boiler room of the academy. However, she finds the boiler cold and unattended, echoing her profound isolation. Abandoned and devoid of purpose, she leaves the academy, breaking down into tears in the middle of the road, accentuating her despair and the haunting legacy of her past.
Last Updated: November 15, 2024 at 16:00
Still wondering what the ending of The Blackcoat's Daughter (2017) really means? Here’s a spoiler-heavy breakdown of the final scene, major twists, and the deeper themes that shape the film’s conclusion.
The ending of The Blackcoat’s Daughter reveals a haunting and tragic cycle of possession and despair. Throughout the film, we see two intertwined stories: one follows the schoolgirls Kat and Rose, and the other follows Joan, a woman who appears to be mentally unstable. As the story unfolds, it becomes clear that Joan is actually Kat under a different identity, having escaped from a mental hospital after committing horrific acts.
In the climax, Kat (disguised as Joan) kills Rose and her parents, decapitating them and offering their heads to a cold boiler in a ritual-like act, shouting “Hail Satan!” This act signifies her complete surrender to demonic forces, as she believes doing so will keep her company and escape her loneliness. When she is caught and taken to a hospital, a priest performs an exorcism, and Kat’s desire to cling to her demonic companion is evident when she begs the demon not to leave her. However, the demon eventually abandons her, leaving her utterly alone.
The film culminates with Joan (who is really Kat) wandering outside the abandoned school, sobbing in despair. The last scenes suggest that Kat has somehow continued her vicious cycle — even after death, she appears to find her way back to the school, now in the form of Joan, to seek connection with her demonic friend once again. This cyclical nature leaves viewers questioning whether the demon was real or just a manifestation of Kat’s disturbed mind, and the ending emphasizes her profound loneliness and possible eternity trapped in darkness. The unsettling conclusion hints that some dark, unknowable forces persist, leaving Kat forever lost in her own torment.
Last Updated: June 25, 2025 at 08:59
Don't stop at just watching — explore The Blackcoat's Daughter in full detail. From the complete plot summary and scene-by-scene timeline to character breakdowns, thematic analysis, and a deep dive into the ending — every page helps you truly understand what The Blackcoat's Daughter is all about. Plus, discover what's next after the movie.
Track the full timeline of The Blackcoat's Daughter with every major event arranged chronologically. Perfect for decoding non-linear storytelling, flashbacks, or parallel narratives with a clear scene-by-scene breakdown.
Discover the characters, locations, and core themes that shape The Blackcoat's Daughter. Get insights into symbolic elements, setting significance, and deeper narrative meaning — ideal for thematic analysis and movie breakdowns.
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