A few weeks after marrying an attractive widow,Gordon Cloade is tragically killed by a bomb blast inthe London blitz. Overnight, the former Mrs. Underhayfinds herself in sole possession of the Cloadefamily fortune.

Shortly afterward, Hercule Poirot receives a visitfrom the dead man’s sister-in-law who claims she hasbeen warned by “spirits” that Mrs. Underhay’s firsthusband is still alive. Poirot has his suspicions whenhe is asked to find a missing person guided only bythe spirit world. Yet what mystifies Poirot most isthe woman’s true motive for approaching him...