In the midst of the war, the Duke asks the teacher to take him to the front lines to treat the wounded. The Duke is worried about his health, but the teacher assures him that the Duke has the upper hand in the battle and that he can send an order for the victory within three days. He asks if the teacher could feel his pulse and make him feel at ease. The teacher replies that he is one of the Duke's own, and the medical skill of the teacher is superior to his own. He is relieved to see the Duke looking radiant and healthy