Over the years, there has been one thing that Cui Xiangjiu (played by Zheng Zaiyong) 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 cleverly escaped the dragnet of justice. When the 15-year lawsuit...