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.

• GG Studio
• Golan-Globus Productions
• Peter Ustinov
• Lauren Bacall
• Carrie Fisher
• John Gielgud
• Piper Laurie
• Hayley Mills
• Jenny Seagrove
• David Soul