Dong-ho is ranked number 1 in "Arena," an illegal gambling league for teens, but he steps down to prepare for college. However, the members of "Arena" don't want to lose their biggest money-maker, so they place a debt on his brother Dong-min. Dong-min literally fights against his debt, but when he gets hurt, Dong-ho decides to fight back.
Kim Do-gun
Yoon Kyung-ho
Wang Woo-jin
Seo Seung-hyun
Kim Si-yu
Score: 6.8
Score: 6.5
Score: 7.2
Score: 6.6
Score: 7.3
Score: 7.0
Score: 6.1
Score: 7.3
