Follow the Dutton family as they embark on a journey west through the Great Plains toward the last bastion of untamed America. A stark retelling of Western expansion, and an intense study of one family fleeing poverty to seek a better future in America’s promised land — Montana.

In the Wild West at the turn of the century, two young brothers watch as their Grandpa is gunned down in cold blood. The desperados kidnap the older boy while a priest takes in the younger one. Thirteen years later these two brothers will cross paths again as they both seek revenge, each in their own way.

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.