Joel Demetrius is quite looking forward to moving in with his new step-family, but his sister Cassie doesn't want anything to do with Gerald and his two sons. To make matters worse, their new home is practically derelict.
Joel is fascinated by the old house, but even he has to admit that there's something not quite right about it. He keeps seeing things out of the corner of his eye, and he's plagued by nightmares of a terrified boy who repeats the same fractured prayer over and over.
Events in the house become harder and harder to explain, and as Cassie's battle with her stepbrothers draws everyone deeper into the mystery, all four kids are forced to confront the question of just who the intruders really are.....