A rich widow who has stooped to blackmail pushes her luck too far and winds up dead during a holiday in the Holy Land. Belgian detective Hercule Poirot happens to be on hand and resolves to get to the bottom of the case. Michael Winner's adaptation of Agatha Christie's mystery novel, starring Peter Ustinov, with Piper Laurie, Lauren Bacall, John Gielgud, Hayley Mills and Carrie Fisher