Major Palgrave, an idiosyncratic but charming mystery writer, reveals to Miss Marple that one of the guests at a luxurious Caribbean resort they're staying at is a Bluebeard-type wife murderer. Unfortunately, the Major succumbs to an apparently accidental overdose of alcohol and blood pressure medication before revealing the killer's identity. When it's discovered that the medicine belonged to another guest and the revealing photograph the Major was carrying is missing, Miss Marple realizes that the serial killer has struck again and more murders will follow.第四则是以前部落里面留(liú )存的那(🚸)些工种(zhǒng )，像喂养动物等(děng )工作，这种更加(🆗)(jiā )不(🌲)用说了(le )，完全不理会。