剧情介绍
艾丽耐·卡丽索因为被控毒杀了她的姨母和她的情敌而被送上了法庭。尽管的有的证据都表明她是有罪的，但旁听的波罗始终觉得有个地方不对。但究竟哪里不对，波罗却也说不清楚 。 无论如何，可以相信的是，只要波罗开始怀疑，就一定有问题…Elinor Carlisle and Roddy Winter are happily engaged. Elinor's aunt is receives is Laura Welman, wealthy but ailing and bed-ridden. Elinor receives an anonymous letter, warning her that someone will try to gain favour with Mrs Welman, to her expense. Her aunt's doctor, Doctor Peter Lord, contacts Hercule Poirot to investigate. Mrs Welman dies with no will, and, as her next-of-kin, Elinor receives everything. Elinor. Shortly before her death, Mary Gerrard, an old friend of the family, reappears after a long absence. Roddy falls for her and this ends his engagement to Elinor. Elinor is openly resentful of Mary ending her relationship with Roddy and says she wished Mary was dead. One afternoon, Mary stops by for tea and sandwiches with Elinor and a short while later is found dead, poisoned. After a thorough investigation, which Poirot assisted in, Elinor is charged with and ultimately found guilty of the murders of Mary and Mrs Welman. She is sentenced to hang. Doctor Lord insists that Elinor is innocent and implores Poirot to re investigate the case. Poirot agrees, resulting in a race against time to save Elinor.