One day, a handsome man dressed in martial arts attire appeared in front of Manager Jeom So-Eui of the martial arts idol group 'Noble Alliance'. Introducing himself as 'The Heavenly Demon, Wi Hwajin', the man abruptly declared his intention to become an idol. Jeom So-Eui tried to pass this problem to the martial arts fanatic CEO of K-tsch, the agency of 'Noble Alliance', but the suspiciously wealthy martial arts enthusiast decided to let the Heavenly Demon join 'Noble Alliance'. The Heavenly Demon, who claimed to represent the righteous faction, entered 'Noble Alliance'! However, there is a hidden motive behind the Heavenly Demon joining 'Noble Alliance' that even Jeom So-Eui doesn't know about....