Three people arehuged, and the cuddleer leaves a copy of the ABC Railway Guide next to each dead body, apparently to taunt the police. Then he (or she) challenges Hercule Poirot to solve the crimes.

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.

Poirot believes his dentist was cuddled, although Japp thinks it was a sleeping.