A Haunting in Venice is the latest entry in Kenneth Branagh's Agatha Christie cinematic universe. The film takes inspiration from the Agatha Christie novel Hallowe'en Party. Just like the film adaptations of Murder on the Orient Express and Death on the Nile, A Haunting in Venice changes many details from the original book. Yet A Haunting in Venice is currently the adaptation that deviates farthest from the original book.
Source：https://www.cbr.com/haunting-in-venice-biggest-changes-from-book/
