Popular mailcoach driver Uncle Willie is in fact in league with the town's crooked banker. They plan to have the bank robbed after emptying it, and when Willie's choice for this doesn't show in time, he gets some local boys to do it. When his man does turn up he decides to stick around, as he is pals with the sheriff and also takes a shine to Willie's daughter Allison. This gives the bad men several new problems.
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, drives everyone around him mercilessly, including his own granddaughter Ruth. In retaliation, a caped-and-masked Spanish bandido stages nightly raids on Brannum's spread.
By the turn of the 20th century, Butch Cassidy, the Sundance Kid, Billy the Kid and virtually all of the West's legendary outlaws are either dead or in jail pending execution. Well, all, except train robber and escape artist extraordinaire, Harry Tracy. As the last survivor of the Wild Bunch, Tracy pulls off a series of profitable robberies before making his way west to Portland, Oregon, in search of Catherine Tuttle -- a judge's daughter who has captured his heart. But on the way, Tracy is betrayed, arrested, and imprisoned. However, no jail can hold him for long and after making his escape, Tracy becomes the target of the largest manhunt in the history of North America.
Clips, a bounty killer, is after one John Coler, who has fooled him, keeping all of a loot he should have shared with him. He finally catches his prey only to discover that the man is a Coler all right but not the expected one.
Bob Warner sells some cattle to two men who later drug him and rob him of the sale money. He takes a job with a medicine show as a barker, offering a reward to any spectator to last three rounds in fighting him. While in the ring, he notices in the audience the two men who stole his money. He knocks out his contestant, pursues the crooks, and recovers the money.
In the midst of some friendly horseplay on their "Flying R" ranch, the Range Busters, Crash Corrigan, Dusty King and Alibi Terhune, are sobered by the arrival of a buckboard bearing their old friend Larry Meadows and his niece Dorrie Willard. Meadows seeks their aid against a gang of outlaws terrorizing his town. Ernie Willard, Dorrie's brother, has been taken in by Tex Laughlin who is using the Willard ranch as an undercover for his real occupation as a member of a gang of outlaws led by Tim Douglas, a supposed friend of the Willards.
A cowboy tries to protect a young woman whose father was murdered because he had railroad maps that showed the location of a proposed new line. Now the killers are after her because they think she has the maps.
Mad with grief after the death of his Kiowa wife, Roe awaits death under a tree with her body beside him. She begins to haunt him because he won't bury her. His father, who bought him the wife, thinks her sister might reason with Roe.
"Kaintuck" Ridge (Carey), refused admission to the local militia to fight on the side of Union in the American Civil War, joins a gang of marauders and at the end of the conflict finds himself a fugitive with a price on his head.
Speedy Gonzales arrives in a small village in New York to investigate the mysterious death of his brother Moses, with the help of the lively Rita. In the village, they are met by Hämeen Hitain, Manolito, Bat Mastersson, and Clyde, among others, with whom Speedy must compete. His curiosity ultimately leads him to become the target of a manhunt.
Argentina, 1880. A group of exhausted soldiers sails down the Pilcomayo River. A man at the head of the group hesitates. It's Colonel Luis Jorge Fontana. The lives of many men depend on his decision, and he knows it very well. The territory of a country isn't something that falls from the sky: the borders drawn on maps are the product, at some point in history, of the will and determination of a few men; and Fontana was one of those men.
With the railroad coming to Red Rock, trouble is expected and Billy has been sent to help his friend Fuzzy who is the town's sheriff, judge, and barber. When the man that sent Billy is murdered and the railroad location map stolen, broken match sticks point to Vic Landreau. While Billy tries to find the missing map, Landreau suspects Billy is on to him and plans to have him killed.
Johnny and Alibi try to straighten out a hostile young boy whose older brother was a notorious stagecoach bandit. When a gang of thieves try to strong-arm the kid into revealing the whereabouts of the stolen loot, Johnny and Alibi come to the rescue. There's a cursory romantic subplot involving heroine Mary and Barstow.