Nam Gyeo-re's court proceedings begin. Dong-jae poses as a construction worker, suspecting the site is hiding the buried bodies. Dong-jae and Byung-gun go on a stakeout, while Ji-hee camps outside Wan-sung's house. Wan-sung is arrested.

Nam Wan-sung pleads not guilty, but a recording exposes him and his slush fund. Dong-jae joins a new team to root out corruption. Mi-ran is suspended, Ji-hee takes on her role, and Gyeo-re admits his crimes. Wan-sung is imprisoned with Kyeong-hak.