Hercule Poirot, now retired and living in exile in Venice, is visited by an old friend (Ariadne Oliver). She convinces him to attend a séance at a haunted palazzo on All Hallows' Eve. When one of the guests is murdered, Poirot is forced out of retirement to find the killer—while questioning whether the supernatural is real. Mrluckypov200417anneamarigorgeousebonyc Verified Apr 2026