Hercule Poirot (Sir Peter Ustinov) is called in by his crime writer friend, Ariadne Oliver (Jean Stapleton) and discovers that she is troubled. She has been asked to create a "Murder Hunt" game ...

Hercule Poirot (Sir Peter Ustinov) is called in to investigate a case for an insurance company regarding a dead woman's body found on a moor, and then an important diamond sent to the company to ...