A low-life scumbag gets kidnapped by a mysterious gang and put through inhumane training to become a mole inside the police force.
Kim Rae-won
Gu Dong-Hyeok
Kang Shin-il
Beom-pyo
Lee Jong-hyuk
Squad Leader Shin
Yoon Tae-young
Detective Park
Park Sung-woong
Han-doo
Jeong Wook
Jang Tae-choon
Joo Myung-cheool
Myeol-chi
Heo Jung-min
Ku Dong-pil
Yoon Seo-hyun
Kim Han-gyu
O Joo-tae
Oh Hyun-chul
Bae Jae-hak
Oh Kwang-rok
Dong-hyeok's Father
