In old Spanish California, dashing cattleman Juan Obregon returns to the rancho of his friend Gaspar Melo, to find he's fathered a son on Rosa, one of Gaspar's identical twin daughters. Overjoyed, he plans to formalize his "unofficial" marriage. But trouble brews; Melo's land is of unclear title and the new Don Domingo hopes to grab it for his own profit. Violence results. Without even knowing who survived, Juan (accompanied by Rosa's tomboy sister Tonya) rides for revenge, through spectacular pastoral and wilderness scenery.
Dan Ballard, a respected citizen in the western town of Silver Lode, has his wedding interrupted by four men led by Ned McCarty, an old acquaintance who, as a US Marshal, arrests Ballard for the murder of his brother and the theft of $20,000. Ballard seeks to stall McCarty while tracking down evidence that will prove his innocence.
A group of people traveling on a stagecoach find their journey complicated by the threat of Geronimo, and learn something about each other in the process.
American federal agent Clark Stuart is on assignment in Santa Fe to draw up a trade agreement with the newly installed Mexican governor. Meanwhile, Walter Jamison leads a wagon train from Missouri, hoping to take advantage of the new agreement. Among Jamison's passenger are famed frontiersman Jim Bowie and a very youthful Kit Carson. The destinies of all these personalities intersect when villainous ex-governor DuPrey schemes to undermine the treaty and take over the New Mexico territory for his own vile purposes. Somewhere along the way, Davy Crockett joins the "good guys" in their efforts to thwart the despicable DuPrey.