High school student Do-hoe lives with his father who runs a Taekwondo gym in a rural area. One day, his cheerful and bright peer Ju-young, who dreams of going to college with a Taekwondo major, comes from Seoul. With his arrival, small and large joys begin to fill Do-hoe's previously dark life. However, the oppressive culture symbolized by his father ultimately twists their relationship, and after an unexpected incident forces them apart, they reunite ten years later.