Do Hoe, a high school student living with his father who runs a taekwondo gym in the countryside, hates the violent and barbaric atmosphere of his family. One day, Ju Yeong , a bright and cheerful friend of the same age who dreams of going to college to major in taekwondo, comes to visit from Seoul, and even Do Hoe’s dark life is filled with big and small joys. However, the negative influence of the oppressive culture symbolized by his father inevitably distorts their relationship, and they are separated by an unexpected incident and reunite after 10 years.