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.
Season 1
The Head Hunter
S1E1 / 03 Mar 2021
Eye for an Eye
S1E2 / 04 Mar 2021
Resurfacing Murder Cases
S1E3 / 10 Mar 2021
Who Are You?
S1E4 / 11 Mar 2021
The Live Broadcast
S1E5 / 17 Mar 2021
The Donkey and the Goat
S1E6 / 18 Mar 2021
Memory Loss
S1E7 / 24 Mar 2021
Ba-reum's Memories
S1E8 / 25 Mar 2021
Ba-reum's Brain
S1E9 / 31 Mar 2021
Sung Yo-han in Me
S1E10 / 01 Apr 2021
Kill Him! Kill Her!
S1E11 / 08 Apr 2021
The Yo-han in Ba-reum
S1E12 / 14 Apr 2021
DNA on the Weapon
S1E13 / 15 Apr 2021
The Cat Killer
S1E14 / 21 Apr 2021
It Was All Me!
S1E15 / 22 Apr 2021
Was It Really Sung Yo-han?
S1E16 / 05 May 2021
The Guryeong Family Massacre
S1E17 / 06 May 2021
Please, Give Me Some Time
S1E18 / 12 May 2021
Kim Joon-sung's Laptop
S1E19 / 13 May 2021
Ba-reum's Final Call
S1E20 / 19 May 2021
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
