Synopsis

Jinwoo seeks to learn fighting from Doocheol, offering a large sum of money; however, Doocheol, a former champion disqualified due to drug use, refuses initially, citing his past mistakes and the potential consequences for Jinwoo. He proposes a test: to survive one round against him in a fight. Meanwhile, a narrative interlude reveals Doocheol's history with drug use and his unique teaching methods, which led another fighter to success and his own downfall.