In 1864, during the American Civil War, Mexican cattleman Alvarez Kelly supplies the Union with cattle until unexpected circumstances force him to change his customers.
Dare Rudd takes a shine to his cattleman cousin Tom's girlfriend who asks Tom to hire Dare to head the big cattle drive. Dare loses the money for the drive to cardsharps, but Tom wins it back, but Dare must save Tom's life.
A weary gunfighter attempts to settle down with a homestead family, but a smouldering settler and rancher conflict forces him to act.
Six years ago NASA discovered the possibility of alien life within our solar system. A probe was launched to collect samples, but crashed upon re-entry over Central America. Soon after, new life forms began to appear and half of Mexico was quarantined as an infected zone. Today, the American and Mexican military still struggle to contain "the creatures," while a journalist agrees to escort a shaken tourist through the infected zone in Mexico to the safety of the U.S. border.
Retired wealthy sea captain Jim McKay arrives in the vast expanse of the West to marry fiancée Pat Terrill. McKay is a man whose values and approach to life are a mystery to the ranchers and ranch foreman Steve Leech takes an immediate dislike to him. Pat is spoiled, selfish and controlled by her wealthy father, Major Henry Terrill. The Major is involved in a ruthless civil war, over watering rights for cattle, with a rough hewn clan led by Rufus Hannassey. The land in question is owned by Julie Maragon and both Terrill and Hannassey want it.
Young Limburg cattle farmer, Jacky Vanmarsenille, is approached by an unscrupulous veterinarian to make a shady deal with a notorious West-Flemish beef trader. But the assassination of a federal policeman, and an unexpected confrontation with a mysterious secret from his past, set in motion a chain of events with far-reaching consequences.
Dunson is driving his cattle to Red River when his adopted son, Matthew, turns against him.
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 Andersen nor the boys know that a gang of cattle thieves is stalking them.