In 2002, Qin Feng and Wang Tao, who were working at the police station, went to investigate forged certificates and accidentally bumped into a drug dealer.Zhang Xin learned that Ye Tianyou was eyeing Qiao Defu, and wanted to transfer Qin Feng to work elsewhere.

Ye Tianyou found Li Zheng, secretary of the municipal party committee, at the city hall and deliberately asked if the port development zone project and Qiao Defu were in trouble.Wen Jiangyan met Zhang Xin by chance, and found out that Zhang Xin and Wen Jiangyan were schoolmates and Wen Jiangyan's senior sisters. The two exchanged contact information with each other, and Zhang Xin warmly invited Wen Jiangyan to go to her racecourse.