After Unifying the Underworld, I Remembered That I Was an Undercover Agent.

In the 1980s, Hong Kong was dominated by three major societies: Hong Ying, Chung Yee On and Lian Sheng, who jointly governed Hong Kong with the police. In order to crack down on the underworld, the Hong Kong police sent undercover agents. Then a series of bloody events unique to the last century emerged. . .