Micheal, a former test subject of a project to create supersoldiers, is forced to escape with his comrades after the project was cancelled. Months later, he is trying to have a quiet life as a librarian with a tough cop as his best friend. However, a string of vicious gangland murders begins that has all the markings of his former compatriots who seem to have turned to violent crime. Realizing that the police are helpless to fight these soldiers, Micheal decides to take them on himself. Donning...

The story is set in both Hong Kong and the U.S. So goes to the U.S. to open a martial arts school. Around this time, many Chinese people were sold off to U.S. railroad companies, and were brutally treated by the Americans under the harsh working conditions. Thus, the American workers' hatred towards the Chinese immigrants is high. As a result, So gets into trouble with the Americans and the mob, and calls Master Wong for help.