A skeptical, small town doctor is forced to confront his personal demons in order to save the life of a teenage girl who has become possessed in his family's old house.
An American priest working in Mexico is considered a saint by many local parishioners. However, due to a botched exorcism, he carries a secret that’s eating him alive until he gets an opportunity to face his demon one final time.
When a charming 12-year-old girl takes on the characteristics and voices of others, doctors say there is nothing they can do. As people begin to die, the girl's mother realizes her daughter has been possessed by the devil--and that her daughter's only possible hope lies with two priests and the ancient rite of demonic exorcism.
When a younger girl called Emily Rose dies, everyone puts blame on the exorcism which was performed on her by Father Moore prior to her death. The priest is arrested on suspicion of murder. The trial begins with lawyer Erin Bruner representing Moore, but it is not going to be easy, as no one wants to believe what Father Moore says is true.
In 1630, a farmer relocates his family to a remote plot of land on the edge of a forest where strange, unsettling things happen. With suspicion and paranoia mounting, each family member's faith, loyalty and love are tested in shocking ways.
Bizarre nightmares plague Regan MacNeil four years after her possession and exorcism. Has the demon returned? And if so, can the combined faith and knowledge of a Vatican investigator and a research specialist free her from its grasp?