Cindy is an American FBI agent, who is currently in Hong Kong, seeking arch-criminal Kent Tong. In order to bring down Tong and his criminal organization, she teams up with local HK cops, David and Johnny.
A psychiatrist donates his time to help the mentally ill street people of Hong Kong. A reporter who hears about his activities accompanies him on his rounds.
Two blood brothers, who have grown up on the streets of Macau, are bound together by a special code of honour. However, this bond ultimately leads them into brutal conflict when they struggle to leave the violent world they live in.