Gold stages are being held up in the far west at a time when the U.S. government needs bullion, just before the famed "Black Friday" attempt to corner the gold market.

The daughter of a notorious cattle thief falls for a stranger at a dance. The stranger is really a lawman who is after her father.

Marshal Reb Russell's reputation precedes him and when he arrives the outlaw gang that includes the Sheriff and that has been doing all the rustling, captures him and plans to hang him. Tommy Lord, the man the crooked Sheriff wants for the rustling, helps him escape. Posing as a rustler he gets the Indian Agent to admit he is the buyer and to reveal who the rustlers are. Having cleared Tommy of the rustling charge he goes after the gang.

The notorious outlaw Black Bart has reappeared and the Range Busters are sent to investigate. When they find that Black Bart is now a respectable citizen and that someone is impersonating him, they set a trap for the robber.

Cowboy Larry O'Day and his sidekick Lucky Smith happen upon a distraught Barbara Hartwell, who is about to be arrested for the murder of her uncle. With Barbara behind bars, Larry is determined to find the real killer and soon finds himself in the middle of a mystery involving crazed German entomologists and a smuggling ring bringing Chinese "picture girls" across the Mexican border for sale to wealthy Chinese bachelors.

On the eve of his execution, a vice-rackets bigshot recalls his various exploits in crimes such as abortion and white slavery, in which he frequently operated under an alias.