Who planned the untimely demise of the malevolent Mrs. Boynton? Was it one of her spoilt stepchildren? Her shifty lawyer? A devious doctor?

Only the gifted Belgian sleuth Hercule Poirot (Peter Ustinov) has the skills to solve this murder!

The all-star cast of suspects includes Lauren Bacall, Carrie Fisher, John Gielgud, Piper Laurie and Hayley Mills. Based on the novel by Agatha Christie.