A suspect is arrested, but Dong Jae remains nowhere to be found. In the interrogation room, Shi Mok and Yeo Jin try to draw out a confession.

While getting to the truth about the night of the attorney's death, Shi Mok and Yeo Jin learn about the involvement of a mystery person.

Details of the cover-up become public, but Shi Mok isn't finished asking questions. The police-prosecutor council is called off.