Jimmy Mclean is proud of his Lakota heritage even though despite his mixed ancestry he doesn't look like a full-blooded member of the tribe. Two of his peers remind him daily of this fact as well much to his dismay. He confides in his grandfather and the latter decides to take him on an epic road trip.
The pair visit various monuments in several states in an effort to follow Crazy Horse's path and along the way grandfather gives his perspective on the many adventures the famed Lakota warrior had in his life. As with most famous individuals whose deeds were larger than life, Crazy Horse's life was filled with highs and lows and Marshall makes sure and provide some insight into why the Lakota and their allies did what they did in some cases.