An auctioneer's daughter and a rich buyer's emissary fall for each other while trying to keep a rare wine out of the hands of evil doers.

A scientist tries to prove the existence of the Loch Ness monster.

Rich Mr. Dashwood dies, leaving his second wife and her three daughters poor by the rules of inheritance. The two eldest daughters are the title opposites.

A friend of Miss Marple's sees a woman being strangled in a passing train. When police cannot find a body and doubt the story, Miss Marple enlists professional housekeeper, Lucy Eyelesbarrow, to go undercover.

Faced with two false confessions and numerous suspects after a despised civil magistrate is found shot in the local vicarage, Detective Inspector Slack reluctantly accepts help from Miss Marple.