Dolly Bantry enlists Miss Marple's help after she and her husband find the body of a mystery woman in their library. When news spreads that a glamorous exhibition dancer has disappeared from the hotel where she worked, the victim--if not the murderer--is identified. Then another body is discovered, and Miss Marple realizes that the roots of the killing go back to an earlier tragedy, with love, money, and loneliness all playing a part.