Adapted from the best-selling novel of the same name by Japanese detective queen Miyamoto Miyamoto, the story tells of a prosecutor named Guo Xiaoqi (played by Wu Kangren) who is skilled in investigating murder cases in the 1990s. Faced with the first consecutive homicide case at that time, he uses his ruler to measure justice in his heart to fight against the serial killer, and faces the constant murderers during the process of solving the case
Adapted from the best-selling novel of the same name by Japanese detective queen Miyamoto Miyamoto, the story tells of a prosecutor named Guo Xiaoqi (played by Wu Kangren) who is skilled in investigating murder cases in the 1990s. Faced with the first consecutive homicide case at that time, he uses his ruler to measure justice in his heart to fight against the serial killer, and faces the constant murderers during the process of solving the case