Once Upon a Time in China and America

A martial arts action film that uses the historical brutality of Chinese labor exploitation in America as backdrop for kung fu heroics and conflict with both mob and xenophobic workers.

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.