A spaghetti western in which three adventurers team up during the Mexican Revolution. Mary O'Donnell, a radical Irish journalist, wants to foment a peasant revolt in Mexico. She enlists the help of a seedy bandit, Lozoya, by saving him from a death sentence in Utah. They meet a man calling himself Prince Dmitri Vassilovich Orlowsky, who claims to be a Russian prince, not to mention a man of the cloth. Wallach pretends to be a Mexican folk hero. The trio crosses the border, the two men seeking a cache of gold while O'Donnell pursues her revolution.
After the Civil War, ex-Union Colonel John Henry Thomas and ex-Confederate Colonel James Langdon are leading two disparate groups of people through strife-torn Mexico. John Henry and company are bringing horses to the unpopular Mexican government for $35 a head while Langdon is leading a contingent of displaced southerners, who are looking for a new life in Mexico after losing their property to carpetbaggers. The two men are eventually forced to mend their differences in order to fight off both bandits and revolutionaries, as they try to lead their friends and kin to safety.
In the turn-of-the century Texas town of Cottownwood Springs, marshal Frank Patch is an old-style lawman in a town determined to become modern. When he kills drunken Luke Mills in self-defense, the town leaders decide it's time for a change. That ask for Patch's resignation, but he refuses on the basis that the town on hiring him had promised him the job for as long as he wanted it. Afraid for the town's future and even more afraid of the fact that Marshal Patch knows all the town's dark secrets, the city fathers decide that old-style violence is the only way to rid themselves of the unwanted lawman.
When his life is saved in a shootout by a fellow gunman whose life he in turn had saved, Alex Longmire promises to give up his way of life. Riding into town he finds the only job available is deputy to sheriff Jade Murphy, an honest man caught between small farmers and a local cattle baron. And he has a pretty daughter. So Longmire decides to stay and see if he can use his expertise with firearms for good.
