Hercule Poirot and Captain Hastings are making their way through France when Poirot receives a frantic letter from Jack Renauld. When Poirot arrives, Renauld is already dead, and the list of suspects are endless. With a son who felt betrayed by his father's will, and a neighbor who has been connected to bloody murders in the past, it's up to Poirot and Hastings to solve the mystery.