Kang Hyuk is a born fighter, and he is well known for knocking 30 disorderly students down when he was in middle school. One day, Hyuk helped Tae-jin who is not able to fight because he is the best prospect of Dang-young high school’s wrestle. The gang alliance of high school in the district made trouble with Hyuk’s friends and along the way, a friend of Hyuk was killed by the school violence. Because Tae-jin had received the help of Hyuk previously, he helped Hyuk and Hyuk's friends, but, in return for revenge on Tae-jin, his girlfriend was abused by school bully. Mad Tae-jin combines forces with Hyuk to declare the war against gang alliance of high school.