Poirot finds himself plunged into a world of international intrigue, risking his life to uncover the truth about The Big Four ...

The first victim is A.A., the second B.B., and so on. Poirot is assisted in his investigations by Captain Hastings (Robert Morley) and Inspector Japp (Maurice Denham).

2. Murder in the Mews - The immaculate Belgian detective takes on another case: Inspector Japp does not consider a ransom note a serious threat to public order, but Poirot begs to differ. More info ...