Capable and experienced business woman, Celia Johns, becomes more and more exasperated and frustrated by the ineffectual efforts of her husband as a business manager while she remains aimlessly at home. She decides they should change places and strangely enough it works out almost too well. She starts the firm on a profit making course enjoying the company of the male executive and he efficiently runs the household to such an extent that he finds time for some nice little social activities. Is this really how things will be satisfactorily resolved? Come and see!

A local advertisement announcing the date and location of a forthcoming murder has a small village buzzing with curiosity. Assuming it’s a hoax, a crowd nonetheless is gathered at Letitia Blacklock’s cottage at the appointed time, when the lights go out and a gunman fires into the room. When the lights come on, Letitia is wounded and the mysterious gunman lies dead. Miss Marple, visiting an old friend in the village, can’t resist joining in the investigation.