Jiu long bu bai

Kowloon, played by Max Zhang, is a Hong Kong police detective who believes in the nine-headed dragon and has a reputation for solving mysterious cases. However, his impulsive personality gets him into trouble, including a fight with Macau detective Tso Chi-tak and an American Army veteran named Alexander Sinclair, whose secret linkage to Kowloon's background is revealed over the course of the investigation. Kowloon's quest for revenge against Sinclair leads him to enlist the help of his former partner, Chow, and eventually, the dragon's supposed aid, as he confronts Sinclair in a series of intense battles.