Seven masked bandits, whose chief calls himself "Mormon", kidnap young Susy, cousin of the mayor of Clayton City, Frank Clonny. Frank accepts the $15,000 ransom requested by the bandits and thinks of a plan which will permit him, with the help of Benson, the sheriff, to free his cousin, recover the money and capture the outlaws. The plan, though, is destined to fail, because one of the mayor's men, Donovan, allows the bandits to escape the trap. Benson then decides to call in Sartana, who the Mormon immediately tries to eliminate with the help of four killers: Buffalo, who kills with a bullwhip; Martinez, an expert knife thrower; Sullivan, a giant of incredible strength and Silky, a sly and fast gunslinger.
A Mexican gang headed by vicious Pedro terrorizes the land between New Mexico and Arizona. Jeff a youth whose father has been killed by Pedro seeks revenge.
In a frontier town between the USA and Mexico, Sancho and his gang assault a monastery, kill a few monks who try to oppose the invasion of the sacred building, and get away with a work of art in gold and diamonds. Andrej, a lonesome cowboy, is informed of his brother's death, one of the monks, and starts a search for the gang. Among the lawless and godless men, a fight for getting the better part of the loot is taking place and blood is flowing as much as bullets.
Anthony Steffen, as a young gunman who works as a circus performer, witnesses the killing of some outlaws, carried out by their leader and is credited with the deed. Steffen suffers from a complex which blocks him in front of any violence and makes him appear cowardly, so when a young boy is kidnapped he must find a way to regain his composure.
A major of the dissolved southern army gives a dollar to a young cowboy, Alan Burton, telling him that there are two other similar dollars with different figures on them; the three numbers combined show the spot where the Confederate's treasure is hidden. A number of people get involved including a gang leader and Alan's sidekick, Hondo.
A bounty hunter wants to catch the Bandit Carson because he has a lot of people in his gang who are worth a lot of money. When he comes into White City he gets his first problems with Carson's son Lucas. After this incident Carson wants this man dead. They can catch him but not for a long time because he can escape with the help of Zoppo who the bounty hunter had helped a couple of days before.
American federal agent Clark Stuart is on assignment in Santa Fe to draw up a trade agreement with the newly installed Mexican governor. Meanwhile, Walter Jamison leads a wagon train from Missouri, hoping to take advantage of the new agreement. Among Jamison's passenger are famed frontiersman Jim Bowie and a very youthful Kit Carson. The destinies of all these personalities intersect when villainous ex-governor DuPrey schemes to undermine the treaty and take over the New Mexico territory for his own vile purposes. Somewhere along the way, Davy Crockett joins the "good guys" in their efforts to thwart the despicable DuPrey.
Scanlon is pulling off a land swindle by selling lots in a ghost town claiming the power company is bringing in a line. As a bonus he throws in shares in a worthless gold mine. Gene is on to Scanlon and tries to get him to buy back the deeds by salting the mine with gold. But when a new vein is really discovered Gene has to stop the sales but is trapped in the mine by Scanlon's men.
A landslide has diverted water from the Baldwin ranch to Cambert's. With their cattle dying, Cambert refuses to let them have any water. Easterner Larry Knight takes a job with the Baldwins and he has a plan to divert the water back to the Baldwin ranch. But Phil, jealous of Kitty's attraction to Larry, lets Cambert know of the scheme.
Gene and Frog, out to stop a bunch of cattle rustlers, assume the identities of what they believe to be dead bandits, which soon gets them in big trouble.
To bring water to their valley, ranchers have raised money to build a dam. When that money is stolen, Allison suggests the ranchers sell their stock to a friend of his thereby getting the money needed to complete the dam. Roy has a clue that Allison was involved in the robbery and is out to get control of the valley. So Roy and the boys try to delay the sale of the stock while they look for proof against Allison.
The Hurley's own a lumber mill and want to harvest all the timber in the valley. They kill the Forester and substitute their brother Dusty in his place. Dusty then says all the trees are infected and must be cut down. But Rex Allen is suspicious and writes to the Forestry Department and gets involved with the murders.
When his young son is shot, John Wellington kills the culprit and flees. But his son Johnny recovers and is raised by Sir George. Some twenty years later Johnny sets out to find Sir George's missing granddaughter.
A prospector is looking for a lost gold mine and finds aid in his search through the efforts of his friend, Stormcloud, whom he has aided in the past. Stormcloud gives the prospector's son a map leading to the mine in repayment for his past kindness. When a claim jumper learns about the map, he targets the prospector and his son in order to get the treasure.