The Cornish Mystery

In Agatha Christie's short story, "The Cornish Mystery," Poirot is asked to help a Cornwall woman who believes she is being poisoned by her husband. When Poirot and Hastings visit her home, they are shocked to find she has died. But is it really her husband who did the poisoning? This short story originally appeared in the November 28, 1923 issue of The Sketch magazine.