Man-hee, imprisoned for being caught up in an accidental violent case, will be admitted to a violent room where the king of prison can be found. On the other hand, with Tae-soo, the opposition leader being admitted to the same prison, a group of people who are unhappy with the king gather one by one, and the gang members face a desperate crisis.
| Actor | Role |
|---|---|
 Lee Seol-guBeom-teol | Beom-teol |
 Moon Yong-ilGae-teol | Gae-teol |
 Kang In-sungDeath-row criminal | Death-row criminal |
 Lee Hyun-woongWal-wal | Wal-wal |
 Cho Myeong-yeonBeol-goo | Beol-goo |
 Yoo Sang-jaeJeong Tae-soo | Jeong Tae-soo |
 Lee Si-hooNewcomer | Newcomer |
 Min KimKTX | KTX |
 Park Joon-SooJip-ge / Gae-teol's Cellmate 1 | Jip-ge / Gae-teol's Cellmate 1 |
| KKwon Oh-yoonGae-teol's Cellmate 2 | Gae-teol's Cellmate 2 |
 Oh Hyeon-sooGae-teol's Cellmate 3 | Gae-teol's Cellmate 3 |
 Kim Jong-taePiece of Shit | Piece of Shit |