Step into the murky atmosphere of Halloween night in 1947 Venice, where retired master detective Hercule Poirot, portrayed by Kenneth Branagh, finds himself entangled in a web of intrigue. Prompted by his friend, novelist Ariadne Oliver (Tina Fey), Poirot reluctantly attends a séance orchestrated by a grieving mother, Rowena Drake (Kelly Reilly), and overseen by medium Mrs. Reynolds (Michelle Yeoh). Little do they know that this eerie gathering will take a sinister turn when one of the guests is murdered. In A Haunting in Venice, Poirot takes up the challenge of identifying the killer amidst the shadows of an unsettling palazzo.