In Cheonan, a serial murder case takes place, but the case becomes more and more of a mystery. Only Tae-suk, a cop, immediately senses that all the cases are by the same killer and starts investigation. One day, Dong-soo, a gang boss, got attacked by a suspicious man, and Tae-suk realizes that this man is the serial killer, K. Now, Dong-soo becomes the only witness and a survived victim from K.
| Pemain: | Cha Soon-bae, Heo Dong-won, Jeon Bae-soo, Kim Gyu-ri, Kim Mu-yeol, Kim Sung-kyu, Lee Seo-hwan, Ma Dong-seok, Oh Hee-joon, Ryu Tae-ho, Yoo Seung-mok, You Jae-myeong |
| Direksi: | Lee Won-tae |
| Negara: | Korea |
| Rilis: | |
| Bahasa: | 한국어/조선말 |
