This was the second Lord Peter Wimsey story to be adapted for radio in the mid-seventies. Broadcast May 5th to June 16th 1975, it was adapted by Chris Miller and produced by Simon Brett. The case of Agatha Dawson is closed, but Lord Peter Wimsey is not satisfied. With no clues to work on, he begins his own investigation. Then Agatha's maid is...
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.