Appointment with Death (1988)

Director: Michael Winner
Cast: Carrie Fisher, David Soul, Hayley Mills, Jenny Seagrove, John Gielgud, Lauren Bacall, Peter Ustinov, Piper Laurie

Synopsis:

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.