The undercover agent with dragon tattoo Kowloon (Max Zhang) continually helped the police to solve mysterious cases, which made him known as a rising star. However, his impulsive personality dragged him into endless troubles. He got himself into fights with the Macau detective, as well as an American Army veteran Alexander who has a secret linkage to Kowloon’s background…

William Luk, goes undercover as a prisoner to investigate correctional officers who are receiving bribes.

ICAC Investigator William Luk and JFIU Chief Inspector Lau Po-keung both hit a dead end in their investigation of a bribery case and a money laundering case. In the meantime, William Luk was suspended when model Eva Ng went to Inspector Kenny Ching of ICAC’s Internal Investigation Group L, to file a report against him for accepting a $12M bribe. Lau discovered Luk was set up and whoever framed Luk was connected to his case. He began to suspect the bank manager Thomson Yau was assisting a gangster, Wong Hoi-wo in money laundering activities. When Director Hong Liang of China’s Anti-Corruption & Bribery Bureau (ACBB) provided Lau with important intelligence, it became clear the money laundering activities were connected to a corrupted Vice-Ministerial Level cadre. To clear his name, William Luk put everything on the line…

After being defeated by Ip Man, Cheung Tin Chi (Zhang) is attempting to keep a low profile. While going about his business, he gets into a fight with a foreigner by the name of Davidson (Bautista), who is a big boss behind the bar district. Tin Chi fights hard with Wing Chun and earns respect.