A female doctor is sent to prison for a mercy killing. She manages to escape, get married and lead a model life, but one day her secret is exposed.

A villainous banker and his hired saboteurs attempt to thwart construction of Sweetwater Dam.

Cub reporter Daniel Greely gets a job on a big city newspaper. A string of robberies occur and the owner of the paper blames the police for not rounding up the crooks. Daniel discovers that a coded message in the newspaper's editor's box tips the crooks about each robbery.

"Ropes" Reilly shows off his impressive roping skills, then runs afoul of the local townsfolk.

The police arrest a man climbing over the wall of a cemetery after midnight. He claims that he is being blackmailed and is following instructions he received by mail to leave $1000 on a certain grave. It turns out that he's not the only one who got a blackmail letter from the same person--calling himself "The Black Panther"--and it also turns out that all the recipients are connected to an opera company.

A crusading district attorney tries to stop a local mob boss who has connections in high places.

Sheriff John Higgins quits and goes into prospecting after he thinks he has killed his best friend in shooting it out with robbers. He encounters his dead buddy's sister and helps her run her ranch. Then she finds out about his past.

Two former WWI aces from opposite sides, Bill Ramsey and Otto Shumann, in the best tradition of Eddie Rickenbacker and the Red Baron, barnstorm their way across the Poverty Row skies of middle-America while competing for daredevil honors and the favors of the lovely Eve.