Gary Ryan, a local sheriff (Giuliano Gemma) is unjustly accused of murder in a small town and forced to flee. He gets rid of his enemies one by one while he tries to prove his innocence.
US-American adventurer Stark has been sentenced to death in a Mexican village. A rich Mexican rancher saves him from getting hanged but he must return the favour by saving the rancher's son Fidel. He is told that Fidel has somehow been persuaded or even forced to join a gang. Stark shall bring Fidel back to his father. The American believes that the rancher is worried sick about his son's well-being. When he delivers Fidel he understands just on time that things are very different. The rancher intends to whitewash his honour by getting rid of Fidel because he's ashamed of having an illegitimate son.
Sabàto, Wolff, and Saxon are three different types of con men (Sabàto: handsome peasant Lothario, Wolff: scruffy master of disguises, Saxon: dandy cardsharp) out to get a bag full of money stolen from a bank.
Django is wounded and his wife is killed when the gold transport that he guards is attacked by the men of his ”friend” David Barry, who wants the gold to finance a political career.
Par amour pour Carmen (Tina Aumont), un jeune officier de l'armée espagnole (Franco Nero) tue par jalousie un capitaine et doit s'enfuir. Il rejoint un groupe de bandit dirigé par le lieutenant Garcia (Klaus Kinsky), lui aussi amoureux de Carmen ...
Paco Roman (Musante), a Mexican peasant, rebels against his rich boss and humiliates him. He is later captured, but saved from a certain death by his friends. Meanwhile, Sergei Kowalski (Nero), a Polish mercenary, arrives in Mexico and makes a deal with two Garcia brothers to take their silver safely across the border. Curly (Palance) sees the three men talking and tracks down the brothers to find out what they hired Kowalski for, after which Curly kills the two.
Bounty hunter John delivers four wanted criminals, all of them dead. When he checks out the new posters at the sheriff's office he recognises his half-brother Clint on one of them. John could never forget how Clint out of jealousy killed their mutual father and how he blamed the misdeed on John who instead of his brother spent 10 years in prison. Now Clint is good for 6000 dollars. John has no reservations to go after him because it was Clint who rendered John an outcast with no other chance left to make a living other than by becoming a bounty hunter. When John eventually gets to him, Clint is just fighting with his gang about a booty of 100.000 dollars.
Roger Pratt and his band stop a stagecoach and kill the driver and the passengers, including a priest and a young woman, but the man he expected is not there so he also shoots his informant. Tim, who in fact is that man, arrives later by horse to the scene and starts digging graves. Harry watches him, approaches and gives help, and then rides off without saying a word.
The rebels want the "Dutchman" (Peter Graves) to rob a train carrying $500,000 in gold on behalf of Victoriano Huerta to finance the Mexican Revolution. So the Dutchman enlists four other men, a strong man (Bud Spencer), an acrobat (Nino Castelnuovo), an explosives specialist (James Daly) and a samurai (Tetsuro Tamba), promising to reward each one a thousand dollars. Their first undertaking is to save the rebel leader from being executed.
When he returns home from war the Mexican general Juan Carrasco is killed by the lover of his wife Anna. The victim's children run away with their nanny but fifteen years later they come back for revenge. Anna and Tomas want to have them killed but their henchmen fail them. It turns out Anna is not the real mother of the dead general's children.
Dans une petite ville perdue dans le désert américain, un bandit, Burt, est sur le point d'être pendu. Mais il est sauvé à temps de la potence par ses complices mexicains qui sèment le chaos en tuant la plupart des villageois. Seul le pasteur est épargné. Avant de s'enfuir, Burt séduit la veuve de l'homme qu'il a tué avant d'être condamné à mort. Armée d'un fusil, elle le menace mais il l'embrasse puis l'abandonne sans rien dire. Aussitôt parti, elle se suicide.
The young English nobleman Sir Thomas Fitzpatrick Phillip Moore (Terence Hill) arrives in the West following the wish of this late father who years earlier had to leave England due to an affair. The trouble led to a conflict with "Vicci Windsor". In the West, the young man joins up with his father's former pals, the stagecoach robbers Monkey (Dominic Barto), Holy Joe (Harry Carey Jr.) and Bull (Gregory Walcott).
Poursuivi par le Shérif Franciscus, Jed, un hors-la-loi, est sauvé par Sonny, une jeune fille aux airs de garçon manqué. Le couple va alors se livrer aux pillages des banques, se transformant en "Bonnie & Clyde" de l'Ouest, avec à leurs trousses Franciscus, plus redoutable que jamais...
Deux hors-la loi tendent une embuscade à un chercheur d’or. Croc-Blanc, son chien-loup, réussit à leur échapper et court alerter Burt, son associé. Lorsque ce dernier arrive sur les lieux, il est déjà trop tard. Résolu à venger le défunt, Burt décide en tout premier lieu, d’usurper son identité.