Lightning Bill Lewis sets out to capture Gómez, the leader of a ruthless gang that has been tormenting a border town. He prevents Gómez from kidnapping his girl, Mary, but Gómez escapes. With the aid of Captain Duerta, Lightning Bill pursues the gang, and when it is captured by Mexican soldiers he is free to marry.
U.S. Marshal, Dan Patterson, goes undercover as a criminal to infiltrate a gang holding a young woman named Alice Allison captive. He must earn her trust while battling the outlaws and keeping his true identity hidden.
Tom Halloway, compelled through circumstances to become an outlaw, robs the express office on the day of his sister's arrival from the East and is seen at the scene of the crime by McTavish, a religious fanatic. Accompanying Tom in his escape from the posse is Sam Langdon, a prospector charged with McTavish's murder. He clears up the situation, wins a pardon for Tom, and wins May, Tom's sister.
Buck Duane is on the run after killing his father's murderer. He rescues a beautiful young woman from an outlaw, but the outlaw's wife has eyes for the young cowpoke and makes trouble for him.
Robert Mason, a young black newspaperman, exposes corrupt labor leader Mark Lethier. In turn, Mason's engagement to Vivian Lethier is ended. When Mark Lethier is murdered, Mason is convicted on circumstantial evidence and sentenced to prison. After several years in prison, he escapes and makes his way to the southwestern cattle country, where he falls in love with Tex Miller, a beautiful cowgirl. Mason endeavors to rid the territory of an outlaw band led by Buck Conley, a.k.a. the "Night Terror." Once he is successful, he decides to give himself up to the law, thinking that he will be sent back to prison. However, after discovering that the real murderer has confessed, he returns to Tex and the country he has come to love.
Big league baseball scout Red McCarthy signs up "Swat," a bush leaguer from a desert town, and Swat becomes a success because of his exceptional hitting. When Swat begins a romance with the scout's daughter, he and the girl are kidnapped by gamblers intent on winning the series.
Clarence, an eastern college youth masquerading as a mild, inoffensive dandy, joins a Wild West show where he clashes with the leading lady, "Calamity" Jane, a man-hater.
Chick Newton's friend, Bill Warner, is arrested for murdering his uncle. However, Bill has been framed by a blackmailer who has plotted with the uncle to have him disappear in order to avoid creditors and collect insurance. Newton unmasks Tom Curtis as the culprit and rescues Warner from a hanging.
Ranch hand Tex Gardy comes to the aid of the father of the girl he loves, whose ranch is being threatened by a gang of criminals led by a woman known as The Hellion.
Tiger Thompson promises a dying train robber to mind his innocent daughter and return the stolen loot. Along the way, Thompson is attacked by the dead man's gang but manages to reach the law (and the girl) in one piece and with the stolen money intact.
Rose Hillyer, the sweetheart of cowboy Tod Walton, is about to marry Edward Gordon a slick con-man and a bigamist. Tod has proof of Gordon's bad deeds but it is late in arriving and he has to resort to many tricks to keep the marriage from happening... including kidnapping the minister.