In Old Colorado

Steve Packard is the ne'er-do-well son of an Arizona ranching baron. Upon his father's death, Steve returns from his days as a South Pacific beach bum to protect his father's estate, which has fallen into the hands of Steve's estranged grandfather. The grandfather's foreman, Joe Blenham, attempts to wrest the ranch from Steve's rightful inheritance, whether the means are legal or not.

Following a killing and robbery in a big city back east, gang leader Kedge Darvas and some of his henchies take a train to a small western town in Idaho, with intentions of hiding out there until things cool down back in Chi or NYC, or wherever they lammed from.They are welcomed with open arms by the citizens under the impression they are there as capital investors with money to spend. Before long, Darvas figures the town is ripe for the taking and sends word for reinforcements, and each arriving train unloads a few suits and snappy-brim hats.Then they get rough, kill Sheriff Posey Meed and rile up the citizens, led by cowhand Brad Farley, who had Darvas spotted for a wrong number just by the way he made moves on Sue Vancey.

A western settlement of pioneer descendants is threatened with the loss of its water supply through the encroachments of nearby townspeople.

Retired wealthy sea captain Jim McKay arrives in the Old West, where he becomes embroiled in a feud between his future father-in-law, Major Terrill, and the rough and lawless Hannasseys over a valuable patch of land.

Bill Drake is a cowpoke who must prove himself innocent of robbing the general store. The real culprit, as our hero detects, is Tom Evans, the weakling son of a local rancher.

Down-and-out cowhand Jim Garry is asked by his old friend Tate Riling to help mediate a cattle dispute. When Garry arrives, however, it soon becomes clear that Riling has not been entirely forthright. Garry uncovers Riling's plot to dupe local rancher John Lufton out of a fortune. When Lufton's firecracker of a daughter, Amy, gets involved, Garry must choose between his old loyalties and what he knows to be right.

Two families feud over possession of a valuable waterhole.

A ranch owner turns his place into a home for boys who have lost their fathers in World War II. His evil female lawyer covets the ranch and uses a gang of local toughs, a pack of killer dogs, and a phoney rancher's beneficiary to get it. U.S. Marshal Rogers opens an investigation when the rancher is killed.

A wanted-fugitive, called "Nevada," is wounded by a pursuing posse of lawmen, and is left to die on the desert by his companion, Bill Hall. He is rescued by a young rancher, Ben Ide, who is in love with Ina Blaine, daughter of a neighboring rancher. While "Nevada" is recovering, he and Ina fall in love but, through his loyalty to Ben, he sends her away. Going home, Ina falls into the clutches of Bill Hall, now heading a gang of rustlers, but the real leader is Les Setter who is posing as an honest rancher, and he has designs on Ina himself.

Seeing cattle dying of thirst, a stranger shoots a hole in Hoades water pipeline. Hoades is hoarding water trying to drive the ranchers away. Hounded by the law for stealing a pie, the stranger sees a chance to redeem himself by forcing Hoades to sell his pipeline and leave the area.

Tom Kenyon and his sidekick Pierre La Farge are hired by rancher Mike O'Day who, with his daughters Toni and Sugar, provides wild horses for the government remount station.

Burton is after Clark's ranch. He gets the banker to refuse to renew Clark's note and then sends his men to rustle his cattle. Hoppy is Clark's new foreman and is on to Burton's scheme. But just as he learns of the rustling and is about to go after the gang, the Sheriff arrives and arrests him for hiding Johnny who has been accused of robbery.

Stagecoach robbers take the money Hoppy was going to use to buy cattle so Hoppy, California and Lin go after them.

When the outlaw El Toro saves Hoppy's life, Hoppy agrees to find his missing grandson.

Julie's husband has been murdered and land agents want her to sign away her property rights. Hoppy warns against this but she does so anyway. It looks as though she will be unable to deliver the timber called for in her agreement. Hoppy has to make the lumber deal happened and solve the murder.

Hoppy's friend Dennis owns a rich gold mine. Frazier who owns the adjoining mine and wants the Dennis mine, has Dennis killed. Hoppy steps in to take over running the Dennis mine and learns Frazier's men sneak into and work the Dennis mine at night. Hoppy captures one of Frazier's men only to be captured in return by Frazier and left to die in a burning building.