A low-life scumbag gets kidnapped by a mysterious gang and put through inhumane training to become a mole inside the police force.
Choi Jin-wonDirector
Gu Dong-Hyeok
Beom-pyo
Squad Leader Shin
Detective Park
Han-doo
Jang Tae-choon
Myeol-chi
Ku Dong-pil
O Joo-tae
Bae Jae-hak
Dong-hyeok's Father
Baek Chang-kyu
