A suspenseful crime drama by Agatha Christie. Originally written as a stage play, The Unexpected Guest begins on a foggy night when a stranger, Michael Starkwedder, enters a country house after his car becomes stranded. Inside, he discovers Richard Warwick dead in a wheelchair and his wife, Laura, standing nearby with a gun.

Believing Laura has killed her husband in self-defense, Starkwedder helps her construct an alternative explanation. However, as the investigation unfolds, new evidence, hidden motives, family tensions, and long-buried secrets emerge, revealing that the truth is far more complicated than it first appears.

Filled with suspense, dramatic twists, and Christie's trademark misdirection, The Unexpected Guest is a compelling mystery that keeps audiences and readers guessing until the final revelation.