For years, the illegitimate son of the king has to rot away in the dungeon of the castle. The situation of the little boy called Nai seems hopeless and he's slowly getting mad in his cell. Years of pure terror and abuse lie behind him and have changed him a lot. But what happens when the prisoner suddenly becomes king? Will he manage to rule his kingdom, or will his madness take over? A brutally fight between a king and his own mind.