Do Chang gets reinstated and returns to Violent Crimes Unit Two after coming to an agreement with Superintendent Moon. The team then focuses on Park Gun Ho’s case and stumbles upon Jo Seong Dae’s bloodstain at the murder site. This leads to the revelation of Chief Nam's wrongdoing as well as a possible connection to Oh Jong Tae. Just before closing in on Jo Seong Dae, the team catches the sight of the one behind the corruption.
Son Hyun-joo
Kang Do-chang
Jang Seung-jo
Oh Ji-hyeok
Kim Hyo-jin
Cheon Na-na
Jung Moon-sung
Woo Tae-ho
Cha Rae-hyung
Kwon Jae-hong
Jung Soon-won
Ji Man-gu
Kim Ji-hoon
Byeon Ji-woong
Kim Myeong-jun
Sim Dong-uk
Son Jong-hak
Moon Sang-beom
Jo Hee-bong
Woo Bong-sik
Song Young-chang
Cheon Seong-dae
Choi Dae-hoon
Cheon Sang-u
Park Won-sang
Choi Yong-geun
Lee Jung-ok
Jang Ki-jin
Baek Eun-hae
Kang Eun-hee
Lee Ha-eun
Lee Eun-hye
Park Keun-hyong
Jung In-Beom
Hong Seo-young
Moon Bo-Kyung
Kim In-kwon
Lee Sung-Gon
Ha Young
Jung Hee-Joo
Baek Sang-hee
Kim Min-Ji
Cha Soon-bae
Jung Chi-Soo
Shim Jae-Hyun
Park Sang-Hoon
Hong Sang-pyo
Jo Jin-Chul
Yang Hee-won
Jae Woong [Eun Hee's son]
Cho Tae-kwan
Michael Cha
Ko Chang-seok
Cha Moon-Ho