Two friends in the past were victims of serious school bullying. One could not resist his trauma, and becomes a serial killer, walking in the path of revenge. Another one tries his best to overcome the trauma and becomes a police detective. He now faces tragic fate to risk his life to capture the serial killer.

Genres

Cast

Kim Dong-wook

Hwang Kyung-min

Kim Sung-kyu

Jung Jong-suk

Chae Jung-an

Kang Jina

Choi Hyeon-jin

Kim Chul

Oh Min-suk

Kang-min

Moon Seong-hyun

Kang-min (teen)

Han Soo-yeon

Park Min-ju

Lee Ji-ha

Kyung-min's mother

Jung Eui-jae

Jin Hae-su

Ji Chan

Song Seung-hwan

Sim Hyun-seo

Jung Jong Suk