The only white survivor of a Crow Indian raid on a wagon train is a young boy. He is rescued by the Sioux, and the Sioux chief raises him as an Indian in very way. Years later, the white men and the Sioux threaten to go to war and the Indian-raised white man is torn between his racial loyalties and his adopted tribe.
Two tough Kentucky mountaineers join a trading expedition from St. Louis up the Missouri River to trade whisky for furs with the Blackfoot Indians. They soon discover that there is much more than the elements to contend with.
The period is the 1840s and California is part of Mexico. Many of the citizens wish to become part of the United States. Other countries are also interested and the Russians have established bases in the northern part of the state. To further their hold they have stolen guns and Don Arturo Bordega, a leader of those wanting statehood, is out to recover them.
It's 1893 and gold is being smuggled out of the country. Instead of stealing gold bars, the outlaws are stealing high grade ore, having it smelted, and then having it plated to look like lead. The Government sends agents Bret and Larry who arrive in Cripple Creek posing as Texas gunfighters. Bret finds the smelting operation and Larry learns of the payoff. But the crooked town Marshal is suspicious of the two men and the reply of his inquiry to Texas exposes them putting their lives in danger.
Mine owner William Sharon keeps having his gold shipments held up by a gang of bandits. Sharon hires banker Charles Crocker, who happens to have connections in the Central Pacific Railroad, to build a spur line from Virginia City to Carson City, so that the gold can be shipped by railroad. Silent Jeff Kincaid is the railroad engineer. However there is opposition to the railroad, chiefly from another mine owner, Big Jack Davis.
Will Kane, the sheriff of a small town in New Mexico, learns a notorious outlaw he put in jail has been freed, and will be arriving on the noon train. Knowing the outlaw and his gang are coming to kill him, Kane is determined to stand his ground, so he attempts to gather a posse from among the local townspeople.
Jim Vesser and his team of railroading men try to build a rail line through a mountain pass, while a group of less scrupulous construction workers sabotages the entire operation in the hopes that they can get their tracks laid first and get the money from the railroad.
Major Jim Colton is a sympathetic leader who has a working relationship with Apache leader Cochise. Colton is undermined by corrupt and politically ambitious Indian agent Neil Baylor who sets up a false attack, and the abduction of a local farmer's son. While Colton is away investigating the matter, Baylor convinces Lieutenant Bascom that Cochise's band is to blame, and incites him to lead an expedition against the Apache band to return the boy.
The story of Mexican revolutionary Emiliano Zapata, who led a rebellion against the corrupt, oppressive dictatorship of president Porfirio Díaz in the early 20th century.
Audie Murphy comes into his own as a Western star in this story. Wrongly accused by crooked railroad officials of aiding a train heist by his old friends the Daltons, he joins their gang and becomes an active participant in other robberies. Betrayed by a fellow gang member, Murphy becomes a fugitive in the end. Seeking refuge at the ranch of a reformed gang member, he hopes to flee with the man's daughter to South America, but he's captured in the end and led off to jail. The girl promises to wait.
Having masterminded the hold up of his company office, a mining engineer is barred from the industry. He then sets up shop as an assayer, scheming to acquire a rich silver mine lease from its operators.
John Vickers has spent eight years hunting for the three men who murdered the woman he loved. He finds one, Woodson, and kills him in a gunfight, but not before learning that the other two men have joined the U.S. Cavalry.
Towards the end of the American Civil War, a rebel captain flees to Colorado to join a band of Southern mercenaries. He drags an innocent gold prospecting couple into trouble when the husband is accused of a murder he committed.
In the 1830's beaver trapper Flint Mitchell and other white men hunt and trap in the then unnamed territories of Montana and Idaho. Flint marries a Blackfoot woman as a way to gain entrance into her people's rich lands, but finds she means more to him than a ticket to good beaver habitat.
After the North defeats the South, Union Maj. Jeff Clanton heads to Missouri to provide the Confederacy's Quantrill's Raiders a chance to claim allegiance to the Union, thereby clearing their wanted status. But standing in Clanton's way are the corrupt lawmen Joad and Fowler, who would rather keep the men outlaws to collect the reward on their heads. After Joad and Fowler frame Clanton for murder, he manages to escape, becoming an outlaw himself.
US marshal Len Merrick saves Tim Keith from lynching at the hands of the Roden clan, and hopes to get him to Santa Loma for trial. Vindictive Ned Roden, whose son Ed was killed, still wants personal revenge, and Tim would like to escape before Ned catches up with him again. Can the marshal make it across the desert with Tim and his daughter? Even if he makes it, will justice be served?