For years, detective Jae-hwan has been obsessed with catching Jin-hyuk, the serial killer responsible for the death of his partner and brother-in-law, even if the path to revenge means skipping a few rules. But, when the…

讲述轰动大韩民国的连环杀人团伙和不管用什么方法都想抓住他们的刑警之间的故事。