zhang dayong (played by tao dayu) and detective li zhongyi (played by liang rongzhong) investigated one by one, many cases were cases in the case, and mysteries came one by one, but they could still use their intelligence to reveal the truth of the case and strive to bring criminals to the eee。 their relationship line is also tortuous: rong jinzhi (played by su yuhua), a childhood sweetheart and his girlfriend, was greedy for wealth and honor, left yong but had a relationship with loyalty and righteousness. reporter gao jie (played by guo keying) sparked a spark of love during the joint investigation of the case with a yong, but because jie herself has a boyfriend, the relationship between them is in a dilemma...