Three men who share a past participate in a mixed martial arts reality show where they have to fight against other contestants to win the prize money.
Lim Deok-gyu
Lee Sang-hoon
Shin Jae-seok
Hong Gyu-min
Lim Soo-bin
Young Lim Deok-gyu
Young Lee Sang-hoon
Young Shin Jae-seok
Son Jin-ho
Young Son Jin-ho
Director Jo
Ahn Yong-cheol
Jason
Choi Joong-man
Jang Jun-su
Jeong Sang-ho
Referee
Eun-soo
Baek Seung-kwan
Park Chul-su
Min Young-gi
