Simons car was broken down suddenly in the wilderness, and there was no mobile phone signal. In desperation,he started to walk home. As the darkened, a majestic castle appeared in his sight. With hunger fatigue, he decided to go to the old castle for one night. When he pushed the door open, inside the castle was resplendent and magnicicent,but there was no one."Hello! Is anybody there? Excuse me?" His words all disappeared. Suddenly, an old legend told by his grandpa when he was a child appeared in his mind...