The Rome Express - Arthur Griffiths

The passengers in the sleeping car of the Rome Express were just woken and informed that they will reach Paris soon, and a bustle ensues. Only one passenger cannot be awoken by the porter, no matter how loudly he knocks. At last, when the door is forced open, the occupant of the compartment is found dead - stabbed to the heart. The murderer must be found among the passengers... (Summary by Carolin)