Amateur detective Miss Jane Marple investigates the murder of a young woman whose body is found in the library at Gossington Hall, home of Colonel and Mrs. Arthur Bantry.

Peter Carter, his wife Sally and their young daughter Jean move to a sleepy Canadian village, where Peter has been hired as a school principal. Their idyll is shattered when Jean becomes the victim of an elderly, and extremely powerful, paedophile. The film was neither a box office nor a critical success, it garnered criticism for breaking a significant public taboo.

Two couples let tensions build between them in this 'Wednesday Play'.

Victor and Hillary are down on their luck to the point that they allow tourists to take guided tours of their castle. But Charles Delacro, a millionaire oil tycoon, visits, and takes a liking to more than the house. Soon, Hattie Durant gets involved and they have a good old fashioned love triangle.