Navigating both the criminal underworld and law enforcement agencies, professional snitches called "yadang" provide covert

Director: Hwang Byeong-gug

Genre: Action, Comedy, Crime, Drama, Thriller

Cast: Chae Won-been, Cho Wan-ki, Choe Min, Gong Jae-min, Han Dong-won, Hong Seo-jun, Hwang Gyu-chan, Jang Yong-chul, Jeong Do-won, Kang Ha-neul, Kang Ji-woon, Kim Jung-pal