Safely from behind some shrubbery, Johnny Hume, a boy of 6 or 7, witnesses the slaughter of his mother, father and brother by the guns of a gang led by "the Cat". Twenty years later finds Johnny grown to manhood, an expert bronc rider and target shooter - but paralyzed with fearful memories in an actual gunfight. This is brought home to him when some outlaws stick up the local saloon and Johnny ends up cowering behind the bar.

An out-of-work band singer gets a job at a jukebox company and makes a hit.

A private detective, who has been shot, stumbles into the office of Michael Shayne (Hugh Beaumont), and dies before Shayne can question him. Shayne finds a baggage ticket in his hand. He claims it and finds the checked-bag contains the loot from a robbery. Now, he has about fifty minutes left of the running time to find the crooks, bring them to justice and return the money to the rightful owners. And needs all of it.

Newspaper reporter Tim Rourke keeps writing articles that attack the police department for its failure to solve a chain of murders, which nearly leads to the reporter's death. He calls in private detective Michael Shayne, who turns up a blonde and a blackmailer.

In the second of the PRC "Michael Shayne" series,civic crusader Burton Stallings hires private detective Michael Shayne to locate the former's missing step-daughter Helen. Shayne discovers that Stallings himself has had Helen confined in an asylum in order to obtain her money.

Michael Shayne is a private detective who is disliked greatly by Pete Rafferty, local chief of police detectives. Rafferty notifies the newspaper press that he is going to close Shayne's agency, just as Michael is about to be hired by the wealthy Eleanor Ramsey, who is being blackmailed. She is the stepmother of what she considers to be two grown-up brats, Dorothy and Ernest, and she considers their father to be of little value to the world himself. They all conspire to get their hands on her money, even to the extent of attempting to hire Shayne to frame an insurance robbery. Mrs. Ramsey is murdered, and Rafferty is trying to pin the killing on Shayne, despite the fact that suspicion points to Buell Renslow, brother of the slain woman. Shayne's secretary, the fetching Phyllis Hamilton, decides to do a little detective work to help her boss.

A Professor has an invention that will bring down planes causing them to crash and Dawson is forcing him to use it on those carrying money. When Tim arrives to investigate he is mistaken for a noted outlaw. So he assumes that identity to force Dawson to make him a partner. But just as a plane bringing Tim help is arriving, his true identity is revealed and while he is a prisoner, Dawson forces the Professor to start his machine.

An estranged wife shows up after a nearly 7 years of disappearance -- thought to be dead, to prevent her husband from marrying his new love until someone kills her.

Scotland Yard cop goes undercover to nab counterfeiter and his gang.

A demented archaeologist discovers a living, breathing serpent creature known to the Aztecs as Quetzalcoatl and accidentally kills his wife by giving her one of the beast's feathers, causing the creature to track her down and slaughter her. Using this knowledge he exacts revenge upon his enemies by placing one of the feathers on his intended victim and letting the beast loose to wreak havoc.

In this murder mystery, a woman's brother is killed in a freak accident, or so she believes. Fortunately for her, an American journalist is more suspicious and so begins roaming the London streets in search of the killer.

Head over heels in love with a stern and cold older businessman's young wife, a reporter is seduced into conspiring to murder him so she can inherit his estate, while pinning the murder on another businessman.

Various performers and backstage crew come under suspicion when a dancer is found murdered at a burlesque theatre.

A murderous bank robber on the run from the law hides out in a small town.

A chorus girl's career is ruined and her brother is driven to suicide when she starts smoking marijuana.

One dark and stormy night, an escaped convict, an embezzler, a runaway daughter, her intended and her father, and a gangster take refuge in a remote inn called "The Black Raven" after the nickname of a second gangster who owns it; and murder ensues.

A private eye and his girlfriend avenge his buddy, stabbed over a jade dragon.

When an experimental atomic rocket crashes somewhere off-radar, its three developing scientists are joined by three Air Force men in tracking it down to a small Pacific island, where it apparently has landed on the plateau of the island's steep-walled, taboo mountain...