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.
Three conmen are assigned to help the Chinese government capture a legendary swindler in Las Vegas and they will not be arrested in return for their aid.
Police officers John and James investigate the case of Lee, a businessman. They seek help of Suki, a friend who double-crosses them and the two officers regroup after a setback to solve the case.
