Ha Yoon-ju becomes the newest member of a unit within the Korean Police Forces Special Crime Department that specializes in surveillance activities on high-profile criminals. She teams up with Hwang Sang-jun, the veteran leader of the unit, and tries to track down James who is the cold-hearted leader of an armed criminal organization.
Sul Kyung-gu
Jung Woo-sung
Han Hyo-joo
Kim Byeong-ok
Jin Kyung
Lee Jun-ho
Simon Yam
Son Min-seok
Kim Dae-jin
Lee Tae-hyeong
Kang Shin-Ha
Lee Dong-hwi
Lee Hwa-jung
Kim Jin-gon
Park Ji-hoon
Kim Ji-hoon
Sung Il
Byun Yo-han
Jeong Woo-geun
Jang Won-hyung
Park Ji-yeon
Lee Hyun-kyun
Choi Eun-suk
Kim Kwang-hyun
Jo Yong-hyun
Byeon Woo-jong
Park Yeong-jin
Kim Yoo-ra
Kim Seung-gi
Byeon Jeong-hyeon
Baek Dong-hyun
Lee Dong-jin
Lee Do-yoon
Yoon Don-sun
Ji Sang-min
Min Woong-gi
Choi Won-goon
Jang Yoo-ri
Yoon Chae
Lee Won-gyoo
Song Seon-chan
Enes Kaya
Kim Seul-gi
Sin Kyeong-cheol
Moon Seong-ryeol
Choi Cheol-gyoo
Kang Ki-young
Jeong Jae-ho
Kim A-ram
Kim Ae-ri
Kim Soo-hong
Kim Tae-hyeon
Lee Gook-seon
Song Chi-hoon
Jung Hyun
Kim Joon-woo
Seo Suk-kyu
Ji Yeong-joon
Ki Hwan
Seo Ji-won
Cha Byeong-ho
Park Sang-hoon
Jeong Hyeong-Ho
Song Wook-kyung
Han I-yeon
Kim Seung-kyum
Kim Si-joon
Bae Jae-joon
Park Chung-hwan
Kim Ji-ho
Na Chul
Na Gyoo-bong
Kim Sin-il
Sin Joon-beom
Kang Jun-seok
Park Sun-joon
Nam Seung-hye
Sin Bo-ra
Park Mi-yeong
Ahn Ji-won
Jeong Jong-hyeon
Do Kwang-Won
Oh Woo-gwang
Jeong Soo-yeong
Kim Kyeong-joo
Lee Sang-ryeol
Kang Mi-hee
Go Seung-wooi
Kwon Sang-min
Kim Min-seon
Park Seong-ah
Park Jeong-hoo
Song Moo-yeong
Song Choong-geun
Kang Min-wook
Lee Seung-hee
Jeong Seon-wook
Jeong Jin-seok
Jo Do-yeon
Jo Doo-ho
Jo Jeong-hoon
Choi Jae-wook
Han Yeong-joo
Hong Seok-tae
Ahn Joon-tae
Kim Chae-in
Lee Ha-yeong
Lee Ga-ram
Shin A-young