In the process of investigating a series of cases, Zhou Mingxuan and Su Wanqing gradually uncovered a huge conspiracy involving politics, economy, gangs and other levels. They cooperated with Li Jin and Zhao Shihan to fight against the dark forces represented by Chen Mo and Lin Qimeng. While solving each case, they gradually got closer to the core of the truth, and finally revealed a shocking secret that shocked the Republic of China. In the process of investigating a series of cases, Zhou Mingxuan and Su Wanqing gradually uncovered a huge conspiracy involving politics, economy, gangs and other levels. They cooperated with Li Jin and Zhao Shihan to fight against the dark forces represented by Chen Mo and Lin Qimeng. While solving each case, they gradually got closer to the core of the truth, and finally revealed a shocking secret that shocked the Republic of China.