After barely surviving a violent attack by an elusive serial killer, crime boss Jang Dong-su finds himself forming an unlikely partnership with local detective Jung Tae-seok to catch the sadistic killer simply known as K.
- Genre: Action, Crime, Thriller
- Release:
- Stars: Heo Dong-won, Kim Gyu-ri, Kim Moo-yul, Kim Sung-kyu, Lee Seo-hwan, Ma Dong-seok, Oh Hee-jun, Ryu Tae-ho, Yoo Jae-myung, Yoo Seung-mok
- Duration: 110 min
- Director: Lee Won-tae
- Country: KR
