Based on a true story from 1974. A young couple moves into their dream house only to find that they would not be there for long.George and Kathy Lutz buy a house on the coast of Long Island. Turns out the house is haunted so their family priest performs an exorcism on it. But the evil spirit in the house causes him to become blind and very ill. George and Kathy with the help of another priest and a police detective face the fears of the house, but not knowing the spirit is planning to possess George and then the children.