Suk-bong is pushed over the edge. During their investigation, the D.P. duo learns of events that unfolded at Hwang Jang-soo's discharge.

When a chase after a deserter turns into a manhunt for a criminal at large, Jun-ho and Ho-yeol rush to find him before armed men bring him down.

Jun-ho navigates his life post-tragedy. Park Beom-gu feels pressure to cover up recent events. A sudden attack shocks the military.

While Kim Ru-ri goes public with his motive, Seo Eun sets up a lure to catch him. Jun-ho and Ho-yeol attempt to stop the growing escalation.

Jun-ho discovers the extent of the military's secrets — making a critical decision. Oh Min-u pursues crucial evidence to stop it from being released.

Ho-yeol makes a deal to help Jun-ho, who faces harsh consequences. In a fight for justice, the trial against the government takes a surprising turn.