新晋总警司伊丽莎白·班克罗夫特警探负责领导新合并成立的联合警务部门，在同僚崇敬中取得极低犯罪率并仕途高涨。然而她也为此付出沉重代价，爱子乔两年前离家断联至今，与地头蛇达阿尼什·卡马拉的君子协定更是面临曝光风险。一桩双重谋杀再度搅乱班克罗夫特的私人和职业生活，迫使她面对一名令人毛骨悚然的新对手。四面楚

Marple finds herself on a bit of a holiday and staying at the very posh Bertram's Hotel, where she stayed as a child and for which she has very fond m