A young girl's body is found on a beach in Devon, England, launching a disturbing investigation led by police officer Daniel Reddick. The crime mystery will take place in the natural setting of Saunton Sands beach and involve a book annotated by the murderer with photos of the victim and stalker-like behavior. The film introduces tension through a silhouette reading the book, then transitions to action by a picture in the book coming to life as video footage.