Mr. Six, who was a well-respected member of the old gang in old-Beijing for many years, has lived a cozy life now. One day, he comes to know his son Xiaobo is in dispute with a well-connected young street-racing gang leader, Xiaofei. Mr. Six steps up to help defend him. He attempts to settle the debts of his son by relying on his old school rules and by the help of his old friends. But he finds out there’s a new big cheese in this age. Now that his position has begun to waver and the old way of life has been gradually abandoned by the times, will this old man be able to return to where he was?...

Tian Xin, played by Yang Mi, and Su Xingyu, played by Li Yifeng, meet when they are nobodies. Five years later, the two have both been successful in their careers, and Tian becomes Su’s agent by a strange combination of circumstances. The forbidden love between the two thus begins....

A narcotics policeman pretended to be killed killed in an undercover operation. Five years later, he assumed his previous identity and entered the drug cartel again to track down the whereabouts of the drug dealers....