The Carpathian Mountains, 1897. An impassable storm forces a group of travellers to disembark from their steam train and take shelter in a remote castle for the night. Their enigmatic host invites them to take part in some after-dinner entertainment. But as they each explore the castle's rooms and passageways, they discover they have become part of a deadly game. Only one guest may leave in the morning and it is up to each of them to...