A young priest, Father Peter, moves into a new house with his wife and two children, unaware of its sinister history. The house, once the site of witch burnings, is now plagued by demonic forces that seek revenge and dominance. As supernatural occurrences begin to unravel, Peter experiences visions and hears menacing whispers within the walls. Objects move on their own, and strange symbols start appearing in his children's drawings. Despite skepticism from his family, Peter becomes increasingly convinced that dark forces are at play.

As he investigates further, Peter learns from his colleague, Father George, about the horrifying past events linked to the house. Meanwhile, his wife, Annie, begins to experience terrifying voices and encounters with ghostly apparitions. The tension escalates as the demonic presence grows more malevolent, directly threatening the family's safety. Desperate to protect his loved ones, Peter turns to religious texts and rituals in hopes of combating the evil threat. The family must confront the terrifying entity that seeks to consume them, realizing that their faith and unity might be their only salvation.