While on vacation at a resort hotel in the West Indies, Miss Marple correctly suspects that the apparently natural death of a retired British major is actually the work of a murderer planning yet another killing.

After fifteen years' service, Henri Boulanger is made redundant from his job. Shocked, he attempts suicide, but can't go through with it, so he hires a contract killer in a seedy bar to murder him at some unspecified time in the f...