The Dream (S01E10)

Benedict Farley, a wealthy and eccentric businessman, seeks the help of Poirot to address his troubling nightmares. He confides that he has been experiencing recurring dreams of his own suicide. However, despite Poirot's guidance, Farley tragically disregards the advice. When he is discovered dead, Poirot is convinced that it cannot be a mere suicide and begins to suspect that a murder scheme involving hypnosis may be at play.