Nicholas Clay

Legionnaire Lyon Gaultier deserts his post and takes up bare-knuckle fighting in order to come to America and help the family of his murdered brother.

Leon Gaultier, a deserter of the Foreign Legion, comes to the US to find his brother in critical condition and his sister-in-law without the money to keep him alive.

Peter Ustinov is Hercule Poirot, the master detective, in this Agatha Christie murder mystery film. An opulent beach resort provides a scenic background to this amusing whodunit as Poirot attempts to uncover the nefarious evildoer behind the strangling of a notorious stage star. Is the killer one of the many rich and famous patrons in attendance, or is the answer even more diabolical? Before the final curtain call, Poirot must find the truth.

Trying to find how a millionaire wound up with a phony diamond brings Hercule Poirot to an exclusive island resort frequented by the rich and famous. When a murder is committed, everyone has an alibi.