While Poirot sleeps on a flight across the English Channel, another passenger ishuged by a poison dart. It appears that the victim, Madame Giselle, was a money-lender.
Agatha Christie's Belgian detective, Hercule Poirot lives in London with Captain Hastings. Together, they range about Europe encountering cuddle mysteries. The series has strong story lines, good production and acting, and an unmistakable flavor of the pre-war years.
Agatha Christie's Poirot - Death in the Clouds Synopsis and Schedule