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.Following an ambush in his visit to America, Wong Fei-hung becomes separated from his fellow travelers and suffers memory loss.