Ken McLaughlin is a precocious 10-year-old who lives with his family on a remote Wyoming ranch. When Ken returns home from school with failing grades, his father, Rob, blames the boy's lack of personal responsibility. At the suggestion of his wife, Nell, Rob allows Ken to choose a single colt from the herd to raise as his own. Much to his father's dismay, Ken chooses a fiery mustang filly -- but the two soon become fast friends.

A renowned former army scout is hired by ranchers to hunt down rustlers but finds himself on trial for the murder of a boy when he carries out his job too well. Tom Horn finds that the simple skills he knows are of no help in dealing with the ambitions of ranchers and corrupt officials as progress marches over him and the old west.

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 he nor the boys know that a gang of cattle thieves is stalking them.

Gunslinger Clayton Drumm is about to be hanged when he is given a chance to live if he agrees to murder Matthew, a miner who has steadfastly refused to sell his land to the railroad company. Matthew’s refusal is a major obstacle to the railroad’s plans for expansion.

Sheriff John Higgins quits and goes into prospecting after he thinks he has killed his best friend in shooting it out with robbers. He encounters his dead buddy's sister and helps her run her ranch. Then she finds out about his past.

Tim Hart (Tim McCoy), a former Texas Ranger, comes out of retirement to avenge the death of Lightnin' Ed (Frank LaRue), his foster father, who had been sent to Rainbow's End, to investigate a series of train robberies. He senses that George Johnson (Walter McGrail) and his henchman, Speck (Bob Kortman), head the robbery gang, especially after Speck makes an ambush attempt on his life.

A group of young gunmen, led by Billy the Kid, become deputies to avenge the murder of the rancher who became their benefactor. But when Billy takes their authority too far, they become the hunted.

The simple story has the pair coming to the rescue of peace-loving Mormons when land-hungry Major Harriman sends his bullies to harass them into giving up their fertile valley. Trinity and Bambino manage to save the Mormons and send the bad guys packing with slapstick humor instead of excessive violence, saving the day.

An ex-con seeks revenge on the man who put him in prison by planning a robbery of the latter's stagecoach, which is transporting gold. He enlists the help of a partner, who could be working for his nemesis.

A cowhand named Bob Blake visits with Sally Thompson and her kid-brother, Jimmy, on their hard-scrabble homestead adjoining the Steele Ranch where Bob works. He learns that their father just died, and he plans on seeing if he can make things a bit easier for them.

After a pawn shop robbery goes askew, two criminals take refuge at a remote farmhouse to try to let the heat die down, but find something much more menacing.

Peter Miles stars as Tom Tiflin, the little boy at the heart of this John Steinbeck story set in Salinas Valley. With his incompatible parents -- the city-loving Fred and country-happy Alice -- constantly bickering, Tom looks to cowboy Billy Buck for companionship and paternal love.