For the passengers on the air liner "Prometheus", the short Channel hop from Le Bourget was to be anything but routine . . .
From seat No. 9, Hercule Poirot was ideally placed to observe his fellow air passengers. Over to his right sat a pretty young woman, clearly infatuated with the man opposite; ahead, in seat No.13, sat a Countess with a poorly-concealed cocaine habit; across the gangway in seat No. 8, a detective writer was being troubled by an aggressive wasp.
What Poirot did not yet realise was that behind him, in seat No. 2, sat the slumped, lifeless body of a woman.