The players receive an invitation to an old, abandoned castle. A very special medieval event is supposed to take place there, for which the players have won tickets. However, the player team cannot remember participating in such a contest, but of course, they won't miss the event. Upon arriving at the castle, the gate suddenly closes behind the team, and they realize they are trapped. The players find a book and a strange rotating device. Will the players solve the mystery of the forbidden castle and find a way to freedom?.