A detective goes undercover and poses as a gangster to infiltrate a powerful criminal organization connected to a large drug deal.
| Actor | Role |
|---|---|
 Cho Jae-hyunLee Su-cheol | Lee Su-cheol |
 Cha In-pyoBaek Seong-gi | Baek Seong-gi |
 Song Seon-miLim Cha-kyeong | Lim Cha-kyeong |
 Son Byung-hoDu-ho | Du-ho |
 Park Cheol-minGaori | Gaori |
 Kim Il-wooLeader | Leader |
 Choi Deok-moonYong-gi | Yong-gi |
 Jung Sang-hoonJjukkumi | Jjukkumi |
 Kim Yun-taeAx | Ax |
 Jo Deok-hyeonChang-gil | Chang-gil |
 Jung Kyung-hoSaeki | Saeki |
| KKwon Hyuk-hoSenior Prosecutor | Senior Prosecutor |
 Oh Sang-mooDdongpal | Ddongpal |
 Kwon Tae-wonTaxi driver | Taxi driver |
 Jung In-giBoxing Coach | Boxing Coach |
 Kim Ae-kyungMadame Ko | Madame Ko |
 Ki Joo-bongCho Tae-beom | Cho Tae-beom |
 Lee Han-wiHwang | Hwang |
 Jung Hee-taeThug | Thug |