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Michael manages to free himself from Laurie Strode's trap to resume his ritual bloodbath. As she fights for her life from injuries from their last encounter, she inspires her daughter Karen, her granddaughter Allyson, and all of Haddonfield to rise up against the unstoppable monster.

Belle, her little sister, and her comatose twin brother move into a new house with their single mother in order to save money to help pay for her brother's expensive healthcare. But when strange phenomena begin to occur including the miraculous recovery of her brother, Belle begins to suspect her mother isn't telling her everything and soon learns they moved into the infamous Amityville house.