Director Jeong Byeong-gil made his debut with action documentary "Action Boys" (2008), a film about stunt men who dream of becoming action stars. He is now moving onto feature films for the first time. This action thriller, with his stable performance, Jeong Jae- yeong takes on the roll of detective Choi Hyung-gu and popular TV drama star Park Si-hoo plays Lee Du-seok. After the statute of limitation expires on the murders he has committed, Lee Du-seok publishes an autobiography describing all his murders in great detail. Detective Choi, who investigated Lee's murders 15 years ago starts the chase once again and Han Ji-soo, who lost her daughter to Lee, pledges vengeance. Meanwhile, another killer appears, casting doubt to whether Lee is the real serial killer.