Don't cross the line.
The veteran detective Seo Do-cheol and his team at Major Crimes, relentless in their pursuit of criminals, join forces with rookie cop Park Sun-woo to track down a serial killer who has plunged the nation into turmoil.
Hwang Jung-min
Seo Do-cheol
Jung Hae-in
Park Sun-woo
Oh Dal-su
Oh Jae-pyeong
Oh Dae-hwan
Wang Dong-hyun
Jang Yoon-ju
Bong Yoon-ju
Kim Si-hoo
Yoon Shi-young
Jin Kyung
Lee Joo-yeon
Shin Seung-hwan
Park Seung-hwan
Jeong Man-sik
Jeon Seok-woo
Kwon Hae-hyo
Choi Wan-ki
Byun Hong-jun
Seo Woo-jin
Tue Minh
Tue
