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.
| Directing | Kang Woo-suk | Director |
| Writing | Jang Min-seok | Writer |
| Crew | Jung Doo-hong | Fight Choreographer |
| Production | Lee Se-ri | Line Producer |
| Sound | Park Ju-kang | Sound Supervisor |
| Production | Kim Bong-seo | Executive Producer |
| Costume & Make-Up | Jang Jin | Makeup & Hair |
| Costume & Make-Up | Yun Mi-ra | Costume Design |
| Art | Lee Tae-hoon | Production Design |
| Editing | Ko Im-pyo | Editor |
| Production | Hyun Gwang-seo | Production Manager |
| Lighting | Kim Uk | Lighting Director |
| Sound | Cho Young-wuk | Music |
| Lighting | Kang Dae-hui | Lighting Director |
| Costume & Make-Up | Shin Jae-ho | Special Effects Makeup Artist |
| Visual Effects | Lee Hee-kyoung | Special Effects Supervisor |
