Young lawyer Jiang Chen took on a seemingly ordinary divorce case. His client, Zhao Wanqing, thought he was young and easy to deceive, and wanted to use him to embezzle all of her ex-husband's property. However, Jiang Chen smelled abnormalities from the details and set up a series of plots. Not only did she get clean and leave the house, but he also found out about her crimes of tax evasion, bribery, and intentional injury, and finally sent the female entrepreneur to prison. In this cat-and-mouse game, Jiang Chen uncovers the flaws of the judicial system step by step, and the secrets of everyone around him become his trump card for a comeback.