Undercover Man (1942)

American gunslinger Sean Rafferty—aka The Montana Kid—is unable to find someone to duel in a Canadian town where no one understands the brutal code of the American Wild West.

A cattle-vs.-sheepman feud loses Connie Dickason her fiance, but gains her his ranch, which she determines to run alone in opposition to Frank Ivey, "boss" of the valley, whom her father Ben wanted her to marry. She hires recovering alcoholic Dave Nash as foreman and a crew of Ivey's enemies. Ivey fights back with violence and destruction, but Dave is determined to counter him legally... a feeling not shared by his associates. Connie's boast that, as a woman, she doesn't need guns proves justified, but plenty of gunplay results.

While moving a group of Apaches to a Native American reservation in Arizona, an American scout named Sam Varner is surprised to find a white woman, Sarah Carver, living with the tribe. When Sam learns that she was taken captive by an Indian named Salvaje ten years ago, he attempts to escort Sarah and her half-Native American son to his home in New Mexico. However, it soon becomes clear that Salvaje is hot on their trail.

In 1867, a gang robs a bank and flees into the desert. Out of water, the outlaws encounter a ghost town called Yellow Sky and its only residents, a hostile young woman and her grandfather.

When hired killer John Gant rides into Lordsburg, the town's folk become paranoid as each leading citizen has enemies capable of using the services of a professional killer for personal revenge.

Texas Ranger Jake Cutter arrests gambler Paul Regret, but soon finds himself teamed with his prisoner in an undercover effort to defeat a band of renegade arms merchants and thieves known as Comancheros.

Drifter Cole Harden is accused of stealing a horse and faces hanging by self-appointed Judge Roy Bean, but Harden manages to talk his way out of it by claiming to be a friend of stage star Lillie Langtry, with whom the judge is obsessed, even though he has never met her. Tensions rise when Harden comes to the defense of a group of struggling homesteaders who Judge Bean is trying to drive away.

Jim Douglass arrives in the small town of Rio Arriba in order to witness the hanging of the four men he believes murdered his wife. When the convicts escape, Jim tracks them into Mexico, determined to see that justice is done. But the farther Jim goes in his quest for vengeance, the more merciless he becomes, losing himself in an unrelenting spiral of hatred and violence.

A buffalo hunter has a falling-out with his partner, who kills for fun.

Nevada Smith is the young son of an Indian mother and white father. When his father is killed by three men over gold, Nevada sets out to find them and kill them. The boy is taken in by a gun merchant. The gun merchant shows him how to shoot and to shoot on time and correct.