Xingyan City, a new city developed in 2008, has experienced rapid economic growth in just three years after its development, surpassing many economically important cities in China and becoming a new city with the greatest potential for development in China. For this reason, wealthy businessmen from all over the world have begun to focus on this piece of fat with unlimited future. People are afraid of being famous, and pigs are afraid of fatness. The economic trend has shifted here, and those who hide in the shadows and rely on "dependence" on the social economy to survive are also heading towards Xingyan City.
Young and Dangerous, a general term for people living at the bottom of society. They are the black hands behind economic prosperity. It is said that where there is day, there must be night. This is an unchanging theorem throughout the ages. Without the backing of these black hands behind social prosperity, the meaning of "daytime" would be lost.
Tianjie, a street belonging to young and Dangerous boys, takes in all desperate young and Dangerous boys. But the young and Dangerous boys who come to Tianjie must meet one requirement, and that is the word "righteousness". The rule of Tianjie is "No one will be accepted without justice!" The Twelve Young Masters of Tianjie are the owners of this street. Few people have seen their true faces, and no one knows their true identity. They are like clouds hidden in the night. Although they know their existence, they cannot see their form.
To put it simply, it is the story of a little girl who changed Tianjie after entering Tianjie~