Mystery of the Blue Train

S10, E1: Poirot journeys on the renowned Blue Train to the French Riviera alongside a fascinating mixture of characters including the beautiful daughter of American oil magnate Rufus Van Aldin and the charming Katherine, newly wealthy thanks to an unexpected inheritance. The body of a brutally murdered woman is discovered just as the train reaches its destination, and Poirot must investigate the past to reveal the killer. Starring Elliott Gould, Lindsay Duncan, Roger Lloyd Pack, James D'Arcy and Josette Simon.