Agatha Christie

Poirot and Hastings go on holiday at a French seaside resort. The famous detective is soon recognized and is quickly drawn into a case of abduction and murder. Challenged by an arrogant French detective, Poirot stakes his reputation on his superior sluething skills.

"Hercule Poirot is traveling by luxury passenger coach from London to the exclusive Kingfisher Hill estate. Richard Devonport has summoned the renowned detective to prove that his fiancée, Helen, is innocent of the murder of his brother, Frank. Poirot will have only days to investigate before Helen is hanged, but there is one strange condition attached: he must conceal his true reason for being there from the rest of the Devonport family. The coach...

Ten people are invited to an island for a mysterious weekend. Then, they are murdered one by one.

A prominent attorney's wife dies of cyanide poisoning; but when he attempts to recreate the crime scene, he, too, is poisoned. The heiress to the estate is the prime suspect, but there have been apparent attempts on her life also.