Une compétition d'arts martiaux est organisée par un mystérieux Han, derrière lequel se cache un redoutable trafiquant de drogue. Lee, agent de renseignements occidental et spécialiste de kung-fu, tente de démanteler l'organisation criminelle..
In 1962 China, Japanese warlords hold the power and are wielding it with no regard to ethics or propriety. Two private entities, the Nagoa Isam Transportation Company and the Bai Loon Forwarding Agency, have taken competition to the extreme, wreaking havoc and violence as a means to hold onto whatever sovereignty they may have. Loyalty no longer exists as residents watch out only for their own interests..
A police officer sent to infiltrate a gang and find evidence for a drug trafficking case finds his loyalties tested when he meets an unexpected ally..