Roy runs away from the labor camp of Santa Lucia with Emiliano, a New Mexico rancher, both imprisoned unjustly for three powerful American bankers, to seize the gold mine that had Emiliano. During flight, the landowner dies and in his last moments asked Roy to recover the mine and save Jessica, daughter of his former foreman.
Dan Hogan and his gang have held up a bank for $100,000 in gold bars. They meet up at Jackal's Ranch, a weigh station for stage coaches. While waiting for the gold to arrive they encounter a stranger, John Webb, who wants half the gold in exchange for guiding them safely to Mexico. Reluctantly, Dan agrees and they set across the brutal desert for a race to the border with the Rangers hot on their tail. Is John who he says he is? Is he really after the gold or does he have an ulterior motive?
Wells Fargo hires bounty hunters to protect its gold transports from the notorious outlaw Glenn Kovacs. Jeff Sullivan, one of the hired gunmen, buys the freedom of Dan Barker, a prisoner who may lead him to Kovacs. When Barker escapes from Sullivan, the other bounty hunters pursue him also, leading to the ultimate showdown between all parties.
Clay Lomax, a bank robber, gets out of jail after an 7 year sentence. He is looking after Sam Foley, the man who betrayed him. Knowing that, Foley hires three men to pay attention of Clay's steps. The things get complicated when Lomax, waiting to receive some money from his ex-lover, gets only the notice of her death and an 7 year old girl, sometimes very annoying, presumed to be his daughter.
A con artist arrives in a mining town controlled by two competing companies. Both companies think he's a famous gunfighter and try to hire him to drive the other out of town.
Macho Callaghan is a lieutenant in the Federal Guards and his job is to capture Butch Cassidy, Ironhead, and their band of outlaws. Getting in touch with Ironhead, Macho finds a way of being hired by the outlaws. But when the two leaders quarrel and decide to separate, Macho manages to convince Ironhead to attack Butch Cassidy.
A Mexican bandit is about to be executed in the United States, so his brother takes over a train and holds the passengers as hostages unless his brother is released. Now both the Americans and Mexicans are baffled as to what to do. One of the passengers — who wrote the letter for their captor — has a suggestion: call mercenaries Hank Brackett and Johnny Reech. They do, and as expected they do come up with a plan, but the president of the railroad is not sure if it will work.
Chaco, a Mexican on the run from just about everyone, is framed for the killing of a couple of Mexican cattlemen. Everyone knows he's innocent but the evidence is substantial. Chaco escapes and with the help of a bounty hunter, goes after the real murderers.
A down-and-dirty town is forced to shape up when a new marshal (Clint Walker) comes to town. However, when a scheme is launched to destroy the lawman's authority, he must discover the perpetrators and preserve his reputation.
A man is falsely charged with bank robbery, prompting his brother to break him out of prison. Together the pair set out to find the real culprits, and their search leads them to a gang of outlaws headed by a notorious gunfighter.
Johnny fights the banker Burton, who tries to acquire with the help of the strange bandit Martinez, in an unlawful way, all the gold mines in the nearer environment.
A traveling gravedigger during an (unspecified) war adopts a orphan he finds alone in the desert. After the war with the orphan grown and business slow, the orphan begins to generate business himself by shooting people. The orphan wants to make one big score by robbing a bank but the gravedigger resists. Their dream is to open a fancy funeral parlor and cemetery. The orphan becomes obsessed with a prostitute he saw who was later abandoned by her outlaw partner after a robbery attempt on a gold wagon goes bad. He eventually leaves the gravedigger to find her
Arms dealer Yolaf Peterson aims to make a sale to guerilla Mongo, but the money is locked in a bank safe, the combination known only to Professor Xantos, a prisoner of the Americans. Yolaf agrees to free Xantos, accompanied by reluctant guerilla Basco, but a former business partner of Yolaf's- John 'The Wooden Hand', has other ideas.
A young cavalry officer finds his woman tortured by the Apaches and blames the Army for not properly protecting the outpost, so becomes a deserter and an avenger, stalking and killing Indians without warning.
Travelling actor and gunman Joe Clifford inherits a gold mine from his uncle. Returning to claim the mine, he finds town boss Berg, his uncle's murderer, controls it instead. Clifford sets about avenging his uncle, recovering the mine and freeing the town from Berg using both shooting and thespian skills.
Lazar, a bounty killer, teams up with a young gunfighter to blackmail Barrett, a former bandit and mine owner. At the end of the day, the bounty hunter clashes with Barrett, but something goes wrong.