Story Structure — 5 Plot Phases
The Unsettling Beginning
Merrin's dig in Iraq foreshadows evil; Chris and Regan settle in Georgetown; Karras struggles with faith.
Key Events
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Archaeological Dig in Iraq — Merrin finds a talisman, foreshadowing evil. Characters: Chris MacNeil
Location: Hatra, Iraq
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Chris Films in Georgetown — Chris stars in a film directed by Burke. Characters: Chris MacNeil, Burke Dennings
Location: Georgetown, D.C.
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Karras Visits Mother — Karras visits his ailing mother, showing his crisis. Characters: Father Damien Karras
Location: New York City
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Party at MacNeil House — Regan appears unwell and urinates; bed shakes. Characters: Chris MacNeil, Regan MacNeil, Father Damien Karras
Location: MacNeil House
Descent into Madness
Regan's behavior turns violent; medical help fails; Dennings dies mysteriously, escalating fear.
Key Events
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Regan's Violent Turn — Regan becomes violent; medical tests find no cause. Characters: Regan MacNeil, Chris MacNeil, Psychiatrist
Location: MacNeil House
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Dennings Found Dead — Dennings is found dead with head turned backward. Characters: Burke Dennings, Chris MacNeil
Location: Stairs near MacNeil House
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Kinderman Questions Karras — Detective Kinderman discusses Dennings's death with Karras. Characters: Father Damien Karras
Location: Georgetown
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Regan's Crucifix Scene — Regan masturbates with crucifix, speaks in Dennings's voice. Characters: Regan MacNeil, Chris MacNeil
Location: Regan's Bedroom
The Possession Revealed
Chris seeks Karras; the demon speaks; 'help me' message confirms possession; exorcism is approved.
Key Events
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Regan's Crucifix Scene — Regan masturbates with crucifix, speaks in Dennings's voice. Characters: Regan MacNeil, Chris MacNeil
Location: Regan's Bedroom
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Chris Seeks Karras — Chris asks Karras to visit Regan, convinced of possession. Characters: Chris MacNeil, Father Damien Karras
Location: Georgetown
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Karras Confronts Demon — Possessed Regan claims to be the Devil, vomits on Karras. Characters: Father Damien Karras, Regan MacNeil
Location: Regan's Bedroom
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Help Me Message — Words 'help me' appear on Regan's stomach; Karras concludes exorcism. Characters: Sharon Spencer, Father Damien Karras
Location: MacNeil House
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Merrin Summoned — Superior grants permission for exorcism; Merrin is called. Characters: Father Damien Karras
Location: Georgetown
The Exorcism Ordeal
Merrin and Karras perform the rite; demon taunts; Merrin dies; Karras sacrifices himself to save Regan.
Key Events
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Merrin Summoned — Superior grants permission for exorcism; Merrin is called. Characters: Father Damien Karras
Location: Georgetown
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Exorcism Begins — Priests read from the Roman Ritual; demon curses them. Characters: Father Damien Karras, Regan MacNeil
Location: Regan's Bedroom
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Karras Sees Mother — Demon appears as Karras's mother, disturbing him. Characters: Father Damien Karras, Regan MacNeil
Location: Regan's Bedroom
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Merrin Dies — Merrin dies of heart attack; Regan laughs. Characters: Father Damien Karras, Regan MacNeil
Location: Regan's Bedroom
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Karras Sacrifices Himself — Karras demands demon take him; jumps out window. Characters: Father Damien Karras, Regan MacNeil
Location: Regan's Bedroom
Aftermath and Farewell
Regan is freed; Karras dies; the MacNeils leave, with a quiet goodbye and a lingering memory.
Key Events
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Karras Sacrifices Himself — Karras demands demon take him; jumps out window. Characters: Father Damien Karras, Regan MacNeil
Location: Regan's Bedroom
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Regan Freed — Chris embraces Regan, now free from possession. Characters: Chris MacNeil, Regan MacNeil
Location: Regan's Bedroom
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Karras's Last Rites — Dyer administers last rites to dying Karras. Characters: Father Damien Karras
Location: Outside MacNeil House
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MacNeils Depart — Regan kisses Dyer's collar; Chris gives medallion to Dyer. Characters: Chris MacNeil, Regan MacNeil
Location: MacNeil House
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Dyer Examines Steps — Dyer looks at the steps where Karras died. Characters: Father Damien Karras
Location: Stairs outside MacNeil House
When a mysterious entity possesses a young girl, her mother seeks the help of two Catholic priests to save her life.