Ellen Wheeler, a rich widow, is recovering from a nervous breakdown. One day, while staring out the window, she witnesses a murder. But does anybody believe her?

A young, lonely, mentaly retarded teenage girl finds solace in burying dead animals after the sudden death of a friend of hers.

A murderer is brought to court and only Miss Marple is unconvinced of his innocence. Once again she begins her own investigation. The third Miss Marple film starring Margaret Rutherford…