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…

Gyeong-cheol and Tae-yong, the two leaders of a Gang of KING RIBS, celebrate Jang Boss’s birthday, and and In-seong attacks. Gyeong-cheol and Tae-yong, who barely managed to escape after Jang…