Once Upon a Time in China and America

In "Once Upon a Time in China and America," martial artist So travels to the United States to establish a martial arts school. During this period, numerous Chinese laborers are exploited by railroad companies, facing severe mistreatment and hostility from American workers. As tensions rise, So finds himself entangled in conflict with both the local populace and the mob. In dire need of assistance, he reaches out to Master Wong for support, navigating the challenges of cultural clash and prejudice while striving to uphold his mission.