Amos Swift's two sons find their father dead. Jason tells Amos to prepare the body for burial - while he, knowing the murderer's identity, sets out to even the score himself....
The first message sent to Tom Thorne's phone was just a picture - the blurred image of a man's face, but Thorne had seen enough dead bodies to know that the man was no longer alive. But who was he? Who sent the photograph? And why? While the technical experts attempt to trace the sender, Thorne searches the bulletins for a reported death that matches the photograph. Then another picture arrives.