Any of passengers of the train could not imagine, than this trip will end. At once in the train or somewhere beyond its limits is distributed awful howl, the train is attacked by the most terrible being reminding the werewolf.
Those who did not meet this being yet desperately try to find though some exit from current situation, but each of them is overcome by panic and fear. They have to keep together to receive though the slightest chance to survive till the morning.