BBC Radio 4 full-cast dramatisation starring John Moffatt as the great Belgian detective.

When Richard Abernethie, last master of Enderby Hall, dies suddenly in his sleep, the family are eager to discover how his riches have been divided. However, the reading of the will is rudely interrupted by his youngest sister Cora - "he was murdered, wasn't he?" she blurts out. Used to her inopportune remarks, the family ignore her. But the next day, when Cora herself is found brutally killed, they start to wonder...