After a bizarre incident transports him from a date to a movie set, a man finds himself reincarnated as an infant martial artist in the prestigious Jongnam Clan. Renamed 'Gun-Chung,' he delves into the ancient art of combat, drawing on memories from his previous life to unlock the essence of martial arts. As he gains a fresh perspective, Gun-Chung revolutionizes the world of martial arts with newfound wisdom and skill.