I am a murderer 2012

Over the years, there has been one thing that Choi Xiangjiu (played by Jung Jae-young) has been unable to let go of for a long time. It was 17 years ago. A serial murder case of a woman occurred that had an extremely negative impact on society, and Cui Xiangjiu was the police detective in charge of the case. The cunning murderer skillfully evaded the dragnet of justice. When the 15-year validity period of the lawsuit came and the murderer completely escaped legal sanctions, the victim's family issued a death complaint against the incompetent police and brutal murderer. Just when everyone thought that the shadow of the tragedy was about to dissipate, the publication of a book called "I Am a Murderer" shocked everyone. The author of the book was none other than Lee Doo-seok (Park Shi-hoo), the instigator of the murder that year. However, as the police detective who hunted the murderer back then, Cui Xiangjiu did not believe that Li Douxi was the criminal back then, and a fierce cat-and-mouse battle started between the two.