1. Wang Hainan was repatriated to the mainland without being sentenced because of repeated unsuccessful illegal immigration.
2. Once, Wang Hainan was stabbed by her ex girlfriend Lifang, and the case was handed over to Shang Qi for investigation.
3. Hainan died of a serious injury. Lifang confessed to the murder and refused to reveal the motive. She put pressure on the top to quickly sentence the case. Shang Qi thought it was suspicious. After investigation, she found out that there was a part of the story that was not humanitarian enough, and everything could only be kept in the social file!
