High school senior, Jayo is seduced into his first sexual experience by classmate Hara, who eventually kills herself when he ignores her. Since then, he immerses himself in loveless sex until he meets cheerful nurse, Namok. Meanwhile, his pal Seuin has developed a crush on his teacher, which is socially taboo.

Kim, a Taekwondo champion decides to give up his fighting career for good in order to take care of his daughter Sa Rang. But when an evil gambling kingpin kidnaps Sa Rang, Kim must agree to fight in a rigged boxing match in exchange for Sa Rang's freedom.