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…

A disgruntled teenager, sent to do community service at a rundown Karate school, enters an MMA tournament to face the man who killed his parents.

From the cage to the big screen, the world’s greatest Mixed Martial Arts Champions come together for the first time in a major motion picture. When an MMA world champion is lured into the illegal world of underground cage fighting by an elusive promoter, he quickly realizes that the only way out is to kill or to be killed.