The mysterious Jakub lures Charles to Jerusalem's Lot and he discovers that his madness is connected to an ancient book. The children are stunned and betrayed when Loa finds Rebecca's secret writings about the Boone family.

Overwhelmed with madness, Charles is driven to the church cemetery where he unearths a hidden book. Once in his hands, he has an apocalyptic vision of the vampire future.

Charles and his family defend Chapelwaite with the help of Constable Dennison and Minister Burroughs. The night tests each character to their emotional limit.

Charles and company try to enlist men in town to fight in Jerusalem's Lot and retake the book.

Jakub and his army come out of the dark and attack Charles and his fighters. Charles must make a decision to free his family of the ancient book's curse.