

Abandon all compassion.
Kyung-chul is a dangerous psychopath who kills for pleasure. Soo-hyeon, a top-secret agent, decides to track down the murderer himself. He promises himself that he will do everything in his power to take vengeance against the killer, even if it means that he must become a monster himself.

Kim Soo-hyeon

Kyung-chul

Squad Chief Jang

Section Chief Oh

Joo-yeon

Se-yeon

Section Chief's Daughter

NIS Agent

Nurse Han Song-i

Tae-joo

Se-jung

Planning Team Deputy Head