The Freeling family, still reeling from their previous supernatural ordeal, moves into the home of Diane's mother in hopes of finding peace. However, they are soon tormented by the malevolent spirit of the deceased Reverend Henry Kane, who seeks to claim Carol Anne. Tangina Barrons, the psychic from their earlier encounters, and a Native American shaman named Taylor arrive to help the family combat the evil force. The presence of Kane exacerbates their fears, and the family must confront their past and rely on their bond to fend off the dark entities threatening them.

As eerie occurrences intensify, Steve Freeling begins to experience frightening visions and behavioral changes. The family's struggle against Kane takes them to the edge of their sanity and beyond, driving them to confront not only the physical manifestations of their fears but also the deep-seated emotional traumas they have tried to suppress. With time running out, the Freelings must uncover the secrets behind Kane's connection to their daughter and summon their inner strength to protect Carol Anne and restore peace to their lives. The battle with the supernatural culminates in a desperate attempt to save their family from the clutches of evil.