The Killing Vote

The Killing Vote for vicious criminals begins; the death penalty is carried out according to the vote, and the investigation by the Special Investigation Headquarters starts.

The second Killing Vote begins; the police struggle to stop the death penalty by Gaetal; the car containing the second victim and Mu-chan explodes.

Mu-chan and the second victim suffer injuries in an explosion, causing Joo Hyun to witness the incident and fall into a state of despair. The narrative of Seok-joo's prison experience continues to resonate.

Mu-chan is determined to uncover the real story of the current case and sends Joo Hyun to speak to Seok-joo.

On the morning of the Killing Vote, Seok-joo joins the police; the police are sent to save Captain Oh, who was identified as the victim, and they are one step closer to discovering who Gaetal is.

Joo-hyun and Seok-joo chase after the suspect. Mu-chan confronts Jin-wook, the one who tried to kill Captain Oh. The police announce that they have arrested Gaetal. However, the true identity of Gaetal is soon revealed.