Bad Guys

An undercover detective is murdered, and the chief of police summons Oh Gu-tak to investigate.

Tasked with catching the Northeast Serial Killer, the Bad Guys each begin their own investigations.

The Bad Guys launch a full-scale investigation to find a victim of organ trafficking.

The Bad Guys uncover the shocking truth behind an underground human trafficking organization.

The Bad Guys are tasked with catching a serial shooter who has killed 12 people.

Woong-chul is kidnapped and almost buried alive by Doo-gwang. The Bad Guys go to investigate.

Contract killer Lim Jong-dae is murdered, and Woong-chul gets a request to assassinate Jung-moon.

A mercantile agency employee reveals a shocking truth about the murdered daughter of Gu-tak.

Gu-tak is suspected of wanting Jung-moon dead, and Mi-young interrogates him.

The Bad Guys turn on one another, and the police chief is attacked as all secrets are revealed.