A wife is convinced that her husband has been trying to poison her and run off with a younger woman, and she begs Hercule Poirot to save her. Poirot and Hastings act quickly but, was it fast enough? Librarian's note: this entry is for the story, "The Cornish Mystery." Collections of short stories by the author can be found elsewhere on Goodreads. The individual entries for all Poirot short stories can be found by searching Goodreads for: "a Hercule Poirot Short Story."