After watching a video of himself disclosing his mission, Han Ji Hyuk seeks to find the rat in the agency and the last piece of the puzzle. As he narrows down his suspects, Jang Gwang Cheol, the second-in-command of the Huayang Gang, gets taken into custody. With his arrest, the police get a threatening call for his release or suffer the consequences.
Casts:
Namkoong Min, Park Ha-seon, Kim Ji-eun, Kim Byeong-gi, Lee Kyung-young, Jang Young-nam, Yu Oh-seong, Kim Jong-tae, Kim Min-sang, Kim Do-hyun, Kwon So-hyun, Jung Moon-sung, Hwang Hee, Jo Bok-rae, Park Jin-woo, Hyun Bong-sik, Jung Ji-yoon, Ok Ja-yeon, Ahn Seong-bong, Im Cheol-hyung, Choi Hee-jin, Jung Young-hoon