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.
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.
Headstrong Thomas Dunson starts a thriving Texas cattle ranch with the help of his faithful trail hand, Groot, and his protégé, Matthew Garth, an orphan Dunson took under his wing when Matt was a boy. In need of money following the Civil War, Dunson and Matt lead a cattle drive to Missouri, where they will get a better price than locally, but the crotchety older man and his willful young partner begin to butt heads on the exhausting journey.
Young Travis Coates is left to take care of the family ranch with his mother and younger brother while his father goes off on a cattle drive in the 1860s. When a yellow mongrel comes for an uninvited stay with the family, Travis reluctantly adopts the dog.
Set in northern Australia before World War II, an English aristocrat who inherits a sprawling ranch reluctantly pacts with a stock-man in order to protect her new property from a takeover plot. As the pair drive 2,000 head of cattle over unforgiving landscape, they experience the bombing of Darwin by Japanese forces firsthand.
Sunset of Power is regarded as one of Buck Jones' more meritorious Universal westerns. The heavy of the piece, grim-visaged cattle baron Neil Brannum (Charles B. Middleton), drives everyone around him mercilessly, including his own granddaughter Ruth (Dorothy Dix). In retaliation, a caped-and-masked Spanish bandido stages nightly raids on Brannum's spread.
A young woman inherits her father's large Texas ranch and plans to begin a cattle drive to Abilene, Kansas, 1000 miles away. The crooked State Treasurer plans to attack the cattle drive and steal all of the stock so he can gain control of her ranch.
Rancher Clay Travers finds and brings in the body of ranger Frank Mattison, murdered on the road to Trail City, where he had been sent to deal with an outbreak of cattle rustling. Businessman Art Kenyon, who has hired gunman Ed Martin to impersonate Mattison to further his rustling schemes, quickly changes Martin's story and has Travers framed for the ranger's murder. Managing to escape, Travers must come up with proof to clear his name and bring the true killers to justice.