Francis Pettigrew travels to Exmoor for a holiday with his wife - an area in which as a young boy he was traumatised by coming across a dead body on the moor.In an attempt to exorcise this trauma, Pettigrew walks across the moor to the place where the incident occurred - only to find another dead body. Moreover when he returns to the scene with the police, the body is gone.Did he really see a body - or is it a hallucination conjured up by his return to the scene of the crime that has haunted him since childhood