Back up to: Poirot
5/5 Time is against the Belgian sleuth, as he battles to unmask the murderer's identity.
4/5 The Belgian sleuth discovers that one of the passengers is lying to him.
3/5 The Belgian sleuth becomes convinced that the murderer is still aboard the train.
2/5 A passenger lies murdered, but luckily the Belgian sleuth is aboard the snowbound train.
1/5 The Belgian sleuth's train sets off, but one passenger aboard will never arrive.