Chun-Woo Han is a martial artist who earned the title of Nine Arts Dragon from the Murim, a secret martial arts society that exists in harmony with modern society. 　The Murim's government is the Martial Arts Alliance who has garnered Chun-Woo's hatred by killing his martial arts teacher. 　In the present, Chun-Woo Han transfers to a fictional school in Seoul for a mission given to him by the Black Forest Defense Group, an anti-government group who opposes the Martial Arts Alliance. 　At the school, he meets the protagonist Shi-Woon Yi. To solve his bullying problem, Shi-Woon has Chun-Woo train him in martial arts. Chun-Woo initiates his mission and frees So-Sul, the head of the Sunwoo Clan, from the Martial Arts Alliance. As Chun-Woo prepares to leave the country, the Martial Arts Alliance take Shi-Woon hostage, forcing him to intervene. 　In the conflict, Chun-Woo publicly renounces Shi-Woon as his disciple and destroys his Qi-center which cripples his potential as a martial artist. In doing so, Shi-Woon is no longer considered part of Murim and will be protected by law from martial artists who wish to take revenge on Chun-Woo through Shi-Woon. 　In the aftermath, Shi-Woon is greeted by the Sunwoo Clan who reveal So-Sul has named him as her successor.