In December 1975, George and Kathy Lutz move into a sprawling Dutch Colonial house in Amityville, Long Island, seeking a fresh start for their family. Despite the property's gruesome history—where Ronald DeFeo Jr. murdered his entire family just over a year prior—the couple is seduced by the low price tag. They purchase the home, hoping to build a tranquil life, but their optimism rapidly curdles into a nightmare.Almost immediately, the house begins to exert a malevolent influence over its new inhabitants. George, a struggling business owner, undergoes a disturbing personality shift. He becomes increasingly irritable, obsessed with the freezing cold temperatures inside the home, and begins spending his nights chopping wood in the basement, mirroring the obsessive behavior of the previous killer. Simultaneously, the family experiences terrifying
supernatural phenomena: mysterious green slime oozes from the walls, phantom voices whisper through the hallways, and their young daughter, Chelsea, claims to have befriended a demonic entity named Jodie.Kathy, initially skeptical, becomes desperate as the house’s energy escalates. She discovers that the structure was built upon a site once used by a dark occultist to imprison spirits, effectively turning the property into a gateway for hell. As the manifestations turn violent—with doors slamming, crucifixes rotating, and unseen forces physically assaulting the family—the couple turns to Father Delaney for assistance. The priest attempts a blessing, but he is driven away by a swarm of flies and a booming, supernatural voice that commands him to "get out."The psychological and physical toll becomes unbearable. George’s
descent into madness peaks when he discovers a hidden, blood-red room in the basement that seems to act as the heart of the house’s evil. Realizing that the entity is actively trying to possess George to replicate the DeFeo murders, Kathy gathers the children in a frantic bid for survival. In a climactic sequence of terror, the house unleashes its full fury, attempting to trap them within its walls. Barely escaping with their lives, the family flees in their station wagon, abandoning all their possessions. They drive away into the night, forever haunted by the twenty-eight days they spent trapped inside the most dangerous house in America.