Answering an ad for a job as live-in tutor to a teenage boy, Christopher Beal arrives at the big, old house deep in the woods with no idea what he's getting into. His pupil is Lawrence Lundy, an odd boy who practices strange rituals by moonlight and is haunted - perhaps literally - by the spirit of his dead father. For mysterious reasons, his mother, Juliet, keeps him at home, isolated from the world. During the suffocating heat of a long summer,...