The most heinous psychopath. The most evil predator ever. The truth of the unsolved case.

A psychopath's ruthless serial murders have left the entire nation gripped by fear and chaos. An honest, justice-seeking rookie police officer and a veteran detective with a tragic past, face off against the killer. After their encounter with the psychopath, their lives change completely.

8.6

85%

83%

Cast

View all

Lee Seung-gi

Jung Ba-reum

Lee Hee-jun

Go Moo-chi

Park Ju-hyun

Oh Bong-yi

Kwon Hwa-woon

Sung Yo-han

Kyung Soo-jin

Choi Hong-ju

Woo Ji-hyun

Koo Dong-koo

Jo Jae-yun

Daniel Lee

Kim Young-jae

Go Moo-won

Hwang Se-on

Kim Da-seul

Seasons

1 Season · 20 Episodes

Specials

5 episodes

Season 01

20 episodes

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