Taking the protagonist's revenge after being released from prison as the starting point, it connects the changes in underground order in many cities, and integrates ten confidantees with different styles, intertwining love, hatred and power struggles. From 2005 to 2025, China's urbanization wave and economic transformation period cover five core areas in Northeast (Fengtian), North China (Tinmen), East China (Hucheng), South China (Pengcheng), and Southwest (Yuzhou), as well as more than ten secondary cities. Before Long Chen was imprisoned (2005), the "Dragon League" unified the underground in Northeast China, followed the iron law of "righteousness first, prohibiting drugs and prostitution", and its power radiated across North China; 15 years later (2020), the Dragon League had already split, and the five major regions were divided by the "Tianhu Society" "The five new forces of the "Viper Gang", "Hongmen", "Qing Gang" and "Southwestern Sword Alliance" have separated themselves, and the collusion between government and business has become more hidden. The gray industries of real estate, logistics, finance, and the Internet have become new battlefields. Former brothers betrayed and came to power, and confidants went their separate ways.
