MajorPalgrave,anidiosyncraticbutcharmingmysterywriter,revealstoMissMarplethatoneoftheguestsataluxuriousCaribbeanresortthey'restayingatisaBluebeard-typewifemurderer.Unfortunately,theMajorsuccumbstoanapparentlyaccidentaloverdoseofalcoholandbloodpressuremedicationbeforerevealingthekiller'sidentity.Whenit'sdiscoveredthatthemedicinebelongedtoanotherguestandtherevealingphotographtheMajorwascarryingismissing,MissMarplerealizesthattheserialkillerhasstruckagainandmoremurderswillfollow.
里卡尔多·斯卡马奇奥,马西米利亚诺·加洛,安娜贝拉·沃丽丝