Assistant District Attorney Jeffery Powell has just sent an innocent man to prison for the murder of a gambler. Powell is in love with, Marion Courtney, but he's unaware that Marion is the sister of the innocent man he sent to prison. Marion gets herself committed to a women's prison to get proof from inmate, Evelyn 'Duchess' Thane, that her brother is innocent. Powell learns of Marion's plight and believes she's in love with the man he sent to prison.

A section boss for the railroad sets out to catch a gang of thieves who have been stealing ore shipments from his company's trains.

To avoid the rigors of the law, Gilda flees New Orleans and hides on a Caribbean island where the worst criminals can ask for asylum. Besieged by the scum of the earth, Gilda will soon find out that she has found refuge in hell.

The Mesquiteers capture a horse thief who escapes justice through a crooked judge. They gather signatures urging the governor to investigate but a friend with the petition is murdered. Stony is accused.

A 15-episode serial involving the land rush, gold mines, stolen maps, etc.

On the night express train from Los Angeles to San Francisco everyone’s a suspect when a jewelry magnate is found stabbed to death and an escaped killer is feared on board. It’s up to newspaper reporter Jimmy Hawley (Ben Lyon) to unravel the secrets of the motley group of passengers and find the killer before he strikes again in this tense and atmospheric whodunit.

A successful ex-boxer opens a high-class speakeasy in what once was the childhood home of a formerly rich society girl.

A woman of twenty-one opens her grandfather's will left to her thirteen years earlier, per his instructions. Murder soon follows.

After a roustabout sailor avoids being shanghaied in 1850s San Francisco, his audacity helps him rise to a position of power in the vice industry of the infamous Barbary Coast.

When a Hollywood producer is murdered, the most likely suspect is a man who is smitten with the victim's fiancee.