Two investigators for a stagecoach company are assigned to find out why the company's stages keep being ambushed. They discover that the culprits are white men disguised as Indians, and they set out to discover who is behind the plot.
Bounty hunters seek shelter from a raging blizzard and get caught up in a plot of betrayal and deception.
Jesse W. Haywood (Don Knotts) graduates from dental school in Philadelphia in 1870 and goes west to become a frontier dentist. Penelope "Bad Penny" Cushing (Barbara Rhoades) is offered a pardon if she will track down a ring of gun smugglers. She tricks Haywood into a sham marriage as a disguise. Haywood inadvertently becomes the legendary "Doc the Haywood" after he guns down "Arnold the Kid".
Union officer Kerry Bradford escapes from a Confederate prison and races to intercept $5 million in gold destined for Confederate coffers. A Confederate sympathizer and a Mexican bandit, each with their own stake in the loot, stand in his way.
Stodge City is in the grip of the Rumpo Kid and his gang. Mistaken identity again takes a hand as a 'sanitary engineer' named Marshal P. Knutt is mistaken for a law marshal. Being the conscientious sort, Marshal tries to help the town get rid of Rumpo, and a showdown is inevitable. Marshal has two aids—revenge-seeking Annie Oakley and his sanitary expertise.
A small-town sheriff in the American West enlists the help of a disabled man, a drunk, and a young gunfighter in his efforts to hold in jail the brother of the local bad guy.
Questions arise when Senator Stoddard attends the funeral of a local man named Tom Doniphon in a small Western town. Flashing back, we learn Doniphon saved Stoddard, then a lawyer, when he was roughed up by a crew of outlaws terrorizing the town, led by Liberty Valance. As the territory's safety hung in the balance, Doniphon and Stoddard, two of the only people standing up to him, proved to be very important, but different, foes to Valance.
Dan Evans, a small time farmer, is hired to escort Ben Wade, a dangerous outlaw, to Yuma. As Evans and Wade wait for the 3:10 train to Yuma, Wade's gang is racing to free him.
When Rocklin arrives in a western town he finds that the rancher who hired him as a foreman has been murdered. He is out to solve the murder and thwart the scheming to take the ranch from its rightful owner.
A group of people traveling on a stagecoach find their journey complicated by the threat of Geronimo, and learn something about each other in the process.
A gang of bandits takes control of Tucson in preparation for the arrival of a consignment of gold, with only a band of voluntary soldiers trying to outwit them and save the town.
The Trail Blazers are bringing in a prisoner to stand trial for bank robbery, when several attempts are made to kill him; convinced of the man's innocence, they arrange a trap for the real thieves.
A Confederate troop, led by Captain Lafe Barstow, is prowling the far ranges of California and Nevada in a last desperate attempt to build up an army in the West for the faltering Confederacy. Because the patrol saves a stagecoach, with Johanna Carterr as one of the passengers, from an Indian attack, and is marooned on a rocky mountain, it fails in its mission but the honor of the Old South is upheld.
The arrival of the telegraph put Pony Express riders like John Blair and his pal Smoky out of work. A race will decide whether they or stageline owner Drake get the government mail contract.
A group of unlikely travelling companions find themselves on the same stagecoach to Cheyenne. They include a drunken doctor, a bar girl who's been thrown out of town, a professional gambler, a travelling liquor salesman, a banker who has decided to embezzle money, a gun-slinger out for revenge and a young woman going to join her army captain husband. All have secrets but when they are set upon by an Indian war party and then a family of outlaws, they find they must all work together if they are to stay alive.
A peace-loving man named Ben Kane takes a job as deputy marshal of Lords, in the old West. Kane is no lawman, but he accepts the badge because he has an old score to settle with the town's chief trouble-maker. Once on the job, Kane must also deal with a young sharpshooter named Billy Young and a sharp and sassy saloon dancer, Lily.
It's 1876 and all the Indians are at peace except the Comanches lead by Black Cloud. When Black Cloud wipes out a town, only six soldiers are left and they head for the nearest fort. In the desert they are reinforced by members of a stagecoach and find some water at a deserted mission. Pinned down by Black Cloud they send an Indian boy who was Black Cloud's prisoner on to the fort while they try to bargain with Black Cloud whom they learn is without water.
Bandit Pistol Pete enters a lawless western town and robs a bank. The town is in desperate need of a sheriff. Enter wandering cowboy Goofy who notices a pretty girl being held up in a stagecoach robbery by Pete. Lovestruck and completely oblivious to Pete, he foils the robbery while getting to know the girl better. This earns him a reputation as a great gunslinger and he is challenged to apprehend Pete. Pete tries to get his revenge on Goofy but every attempt backfires due to Goofy's clumsiness usually directed unintentionally at Pete.
Trouble in Colorado is tying up Union troops needed back east during the Civil War and Lieut. Burke is sent to investigate. Macklin and his gang are causing the problems and Capt. Mason joins them. When Burke catches up with them he also finds Mason, his brother.
Lambert has the stagecoach wrecked killing the Commissioner so his phony replacement can alter Coonskin's land survey. When Red Ryder exposes the survey hoax, Lambert has his stooge Sheriff put Red in jail.