故事简介(英文书籍)
Jane Wilkinson, an actress, is suspected of murdering her husband, the fourth Baron Edgware, so that she can marry the Duke of Merton. The plot begins with Jane asking Poirot to convince her husband to agree to a divorce. When Poirot reluctantly does so, Edgware says that he has already agreed to a divorce and written a letter to Jane informing her of the fact. When Poirot reports this to Jane, she denies ever having received such a letter.