Production Companies: 20th Century Studios , Scott Free Productions , The Mark Gordon Company , Genre Films , Agatha Christie Limited .
Overview: 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.
, Scott Free Productions 
, The Mark Gordon Company 
, Genre Films 
, Agatha Christie Limited 
.
