In order to save Kim Ahn Ji, Mak Moon signs up to become a hwarang. Kim Ahn Ji requests his daughter to teach him some lessons in order to ease his life as a hwarang, but during one of those teachings he is invited to play a game of football.

During the first days of training, the Hwarangs are constantly fighting each other. As punishment, Master Ui Hwa gives them a very hard task to complete.