A range war is building in Wyoming. Caught on opposite sides are Sam Brassfield, who builds fences to protect his grass land, and Clay Mathews, a cattle baron determined to keep an open range.
When his cattlemen abandon him for the gold fields, rancher Wil Andersen is forced to take on a collection of young boys as his cowboys in order to get his herd to market in time to avoid financial disaster. The boys learn to do a man's job under Andersen's tutelage, however, neither he nor the boys know that a gang of cattle thieves is stalking them.
Ross Bodine and Frank Post are cowhands on Walt Buckman's R-Bar-R ranch. Bodine is older and broods a bit about how he will get along when he's too old to cowboy. Post is young and rambunctious and ambitious for a better life than wrangling cows. When one of their fellow cowboys is killed in a corral accident, Post suggests a way into a better life for himself and his friend: robbing a bank. Bodine reluctantly joins in the plan and the two contrive to rob the local bank. They make good their escape initially, but Walt Buckman and his two sons, John and Paul, are incensed at this betrayal by their own trusted employees. John and Paul set out to bring Bodine and Post to justice.
An authoritarian rancher rules an Arizona county with her private posse of hired guns. When a new Marshal arrives to set things straight, the cattle queen finds herself falling for the avowedly non-violent lawman. Both have itchy-fingered brothers, a female gunman enters the picture, and things go desperately wrong.
Two black bounty hunters ride into a small town out West in pursuit of an outlaw. They discover that the town has no sheriff, and soon take over that position, much against the will of the mostly white townsfolk.
A man in search of revenge infiltrates a ranch, hidden in an inhospitable region, where its owner, Altar Keane, gives shelter to outlaws fleeing from the law in exchange for a price.