Boss Spearman, Charley Waite, Mose Harrison and Button freegraze their cattle across the vast prairies of the West, sharing a friendship forged by a steadfast code of honor and living a life unencumbered by civilization. When their wayward herd forces them near the small town of Harmonville, the cowboys encounter a corrupt sheriff and kingpin rancher who govern the territory through fear, tyranny and violence. Boss and Charley find themselves inextricably drawn towards an inevitable showdown, as...