Having briefly abandoned his standard "Nevada Jack McKenzie" characterization in Flame of the West, cowboy star Johnny Mack Brown was back as Nevada Jack in Monogram's The Lost Trail. Vowing to bring in a gang of stagecoach outlaws, Nevada redoubles his efforts when he learns that the owner of the stagecoach line is pretty Jane Burns (Jennifer Holt).
Steve Kinney and his henchman, Mort, are trying to stir up trouble between the local ranchers and farmers, behind a wave of rustling and lawlessness. Mort kills Vic, a Kirby cowhand, and lays the blame on Dan Harper, the leader of the farmers faction. Storekeeper Fuzzy Q. Jones, fearful of losing the outstanding charge-accounts he has on his books, drags his reluctant pal, Billy Carson, into the fray, and the two soon prove Kinney and his henchmen to be behind the valley's troubles.
An itinerant farmer and his young son help a heart-of-gold saloon singer search for her estranged husband.
William Munny is a retired, once-ruthless killer turned gentle widower and hog farmer. To help support his two motherless children, he accepts one last bounty-hunter mission to find the men who brutalized a prostitute. Joined by his former partner and a cocky greenhorn, he takes on a corrupt sheriff.
A fiercely independent cowboy arranges to have himself locked up in jail in order to then escape with an old friend who has been sentenced to the penitentiary.
Posing as wanted men, Chris and Waldorf get hired by Sanderson. He sends them to kill the Sheriff but puts blanks in their guns. When they arrive someone else shoots the Sheriff and Chris is blamed and jailed. The Sheriff's brother then incites the mob to hang Chris.
A dying Jack makes Bob and Flash promise not to tell his sister that he was an outlaw. When Bob confronts Flash with his muffler found at the stage holdup, Flash tells Mary that Bob killed her brother. Believing he can now marry Mary, he plans one more robbery. But the jealous Tiana overhears and runs for the Sheriff.
Tubercular Frank James has become a born again and retired from his career as an outlaw with his family but a look-a-like outlaw causes suspicion to fall back on him.
Fidencio Borer, an apothecary in a village on the northern border of Mexico, discovers some old title of a mine in Arizona and decides to claim them. Trying to cross the border is a border guard intercepted by exaggerating in the line of duty. On the way is captured by a tribe of Apaches and is about to be burned alive, but thanks to the Great Head Horse Lying having toothache and learns that the prisoner it can heal, ordered his release on the condition that the cure. Fidencio would take the wheel and gets the eternal friendship of the Chief apache.
The fastest gun in the West tries to escape his reputation.
A Texan sheriff and his younger brother travel across the border into Mexico to confront the man who killed their father.
In this epic Western, Wade Hatton, a wagon master turned sheriff, tames a cow town at the end of a railroad line.
When Rocklin arrives in a western town he finds that the rancher who hired him as a foreman has been murdered. He is out to solve the murder and thwart the scheming to take the ranch from its rightful owner.
Roy Rogers is a cowboy who joins the Border Patrol, only to have his buddy Tommy get killed at a local saloon. Determined to get revenge at any cost, Roy and Rusty cross the border in search of Arizona Jack, the man responsible for Tommy's death.
Tim thinks saloon owner Coldeye killed his brother. Seeking the ultimate payback, Tim gets a job in the saloon but has no idea he is targeting the wrong man.
Four unwitting heroes cross paths on their journey to the sleepy town of Silverado. Little do they know the town where their family and friends reside has been taken over by a corrupt sheriff and a murderous posse. It's up to the sharp-shooting foursome to save the day, but first they have to break each other out of jail, and learn who their real friends are.
Pat Garrett is hired as a lawman on behalf of a group of wealthy New Mexico cattle barons to bring down his old friend Billy the Kid.
Cole Thornton, a gunfighter for hire, joins forces with an old friend, Sheriff J.P. Harrah. Together with a fighter and a gambler, they help a rancher and his family fight a rival rancher that is trying to steal their water.
A peace-loving, part-time sheriff in the small town of Firecreek must take a stand when a gang of vicious outlaws takes over his town.
Stodge City is in the grip of the Rumpo Kid and his gang. Mistaken identity again takes a hand as a 'sanitary engineer' named Marshal P. Knutt is mistaken for a law marshal. Being the conscientious sort, Marshal tries to help the town get rid of Rumpo, and a showdown is inevitable. Marshal has two aids—revenge-seeking Annie Oakley and his sanitary expertise.