Police and prosecutors each prepare members for joint discussions on investigative authority. Dong Jae brings Woo Tae Ha some cases of interest.

Yeo Jin recruits Gun. Digging into a policeman's death ruled as suicide, Shi Mok and Dong Jae find signs that point toward a different story.

In a heated first session with prosecutors, Gun makes a pointed argument. At Hanjo, Lee Yun Jae faces an oncoming family power struggle.