Celebrated sleuth Hercule Poirot, now retired and living in self-imposed exile in Venice, reluctantly attends a Halloween séance at a decaying, haunted palazzo. When one of the guests is murdered, the detective is thrust into a sinister world of shadows and secrets.

• 20th Century Studios
• Scott Free Productions
• Kenneth Branagh
• Kyle Allen
• Camille Cottin
• Jamie Dornan
• Tina Fey
• Jude Hill
• Ali Khan
• Emma Laird