Two sisters who set up a London fashion house for society of the early 1920s.

When a handful of grain is found in the pocket of a murdered businessman, Miss Marple seeks a murderer with a penchant for nursery rhymes.

Miss Marple, the spinster detective who is one of the most famous characters created by English crime writer Agatha Christie, is portrayed by Joan Hickson who starred in a dozen television mysteries about Miss Marple over the course of a decade.