电影
Marple is asked by her law yer, Christi an Gilbranson , to v isit his s tep-mother, Carrie Lou ise Serrocold, an old f riend of Mi ss Marp le&#39 ;s, at her cou ntry esta te. Carrie& #39;s husband, Lewis, conf ides to Mis s Marple that he susp ects some one is slowl y poisoning h is wife, and when Gilbranson visits the mansion, he is mysterious ly murdered. ！