It's Christmas Eve, and Doyoung's made a reservation at a luxurious hotel in the hopes of spending a romantic day with his crush, Hyunjin. But nothing seems to be going according to plan. They lose cell service, miss their reservation, and drive through a terrible rainstorm only to arrive at a haunted-looking hotel. When Doyoung asks for a refund, the imposing concierge insists he must participate in a game—a game that quickly turns Christmas into a nightmare.