Duchess (Jung Ho) is an ambitious and hopeful gang leader. He thinks training is a course of social adaptation. For the prisoner being released into the outer world, Duchess is determined to be a good teacher in his own style, but at first he showed his usual habits not by entering a dirty school. The students there felt very hard to accept and respect this strange behavior teacher. Duchess has two sincere sons, Zhang (Jung In) and Duchess (Duchess Antetek), who made the story unusual. Duchess is the one who went to school and didn’t go to school, but the representation of this boss didn’t help him to get his child’s head-to-be-bodied. Even the worst thing this guy did is that the teacher didn’t get a good reason