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The Nokal Apaches, who are besieging the pards at Squaw Peak, are routed by the military. Not all the blue jackets are good soldiers like those who came to Tex's rescue: Sergeant Evans, for example, teams up with the Las Vegas underworld to rob a shipment of army gold. Kit Carson, enlisted as an escort for the transport, is stunned and replaced by a double, but Tex's intervention ruins the bandits' plans! Meanwhile, the rancher Bill Dutton is unjustly accused of the murder of the cheat Pete Poker: behind the frame there is a question of stolen land and livestock...

Bill Dutton's land was tempting for rancher Jim Landers to transit the cattle raided by Black Kerry and his gang, and that's why the ranchero was framed! Landers and Kerry's men clash with Dutton's men led by the Ranger and get the worst of it. Once Las Vegas has been cleaned up, Willer faces another disturbing threat: the mysterious Black Coyote, a Pueblos sorcerer, using spectacular magic, incites the superstitious Indians to attacks and raids. Who hides behind the long cloak of the enigmatic character?