She has everything a girl can want: beauty, brains, money, and the man she loves. But Elinor Carlisle also has a murder indictment and her own criminal trial. She stands accused of ingeniously poisoning her rival, Mary Gerrard. It seems Elinor had means, motive, and opportunity. As a verdict of guilty seems a foregone conclusion, she turns to Hercule Poirot for assistance. Poirot is the only one who assumes she is innocent until truly proven guilty. Only he stands between Elinor and the gallows.