Emily Boynton, the stepmother to three children, blackmails the family lawyer into destroying a second will of her late husband that would have freed the children from her dominating influence. She takes herself, the children, and her daughter-in-law on holiday to Europe and the Holy Land. At a dig, Emily is found dead and Hercule Poirot investigates.
Starring Peter Ustinov, Lauren Bacall, Carrie Fisher, John Gielgud, Piper Laurie, Hayley Mills, Jenny Seagrove, David Soul, Nicholas Guest, Valerie Richards