When his fiancee is killed in a bank holdup, former Marine Dave Barrett decides to go after the gang responsible. The gang is led by Bonnie and Clyde wannabes Frank Clinger and Ann Louise Hovis.
Dave faces off against Ma Gantry and her murderous brood of train robbers.
Ex-mental patient Jeffrey Donnenfield begins emulating public enemy John Dillinger right down to dressing his moll in red. Dave Barrett gets on Donnenfield's trail when he blinds a fellow detective.
A farmer hires Dave to track down his wanted son because he's afraid the police will kill him if they catch up to him.
Dave brings his seriously injured father to a hospital for treatment only to discover that the place has been taken over by a gang of fugitive bank robbers wanting treatment for one of their wounded co-horts.
After Dave tracks a fugitive bank robber to his Arkansas hometown he discovers that he might have to wait in line. The family of a girl the robber raped and murdered a few years before wants to tear him a new one.
A gang of cattle rustlers uses a World War I airplane to confuse and confound law enforcement authorities. Dave Barrett is called in to lend a helping hand.
A mentally unbalanced ex-minister and his new "flock" begin sttealing industrial payrolls and blowing up factory machines.
A muckraking reporter comes to Dave for protection against two powerful and corrupt brothers whom she plans to expose.
Dave's investigation into the murder of a friend leads him to a strife-ridden theatrical company.
When he refuses to do business with mobsters, the owner of a trucking company finds his trucks being hijacked. Dave goes undercover as a driver to try and put an end to things.
A sleezy carnival owner preys on teenaged girls and forces them into prostitution.
While transporting a criminal to prison, Dave gets ambushed in a small town by a gang led by the criminal's older brother.
Dave tracks down a former Marine buddy who has gone AWOL to kill the men responsible for the death of his wife.
A once wealthy man, who lost his fortune in the stock market crash of 1929, seeks to rejoin the ranks of the well-to-do by heisting a fortune in gems.
Dave must protect a murder witness from a network of corrupt lawmen.
Dave and a surprisingly uncooperative Army officer track two thieves who stole an Army tank and killed two soldiers.
A crooked prison warden, fearing exposure by Dave Barrett, has the Manhunter framed and forced to bust rocks on a chain gang.
Dave is approached by a lady to help her find the criminal behind six corpses found in ship.
A man targeted by mobsters sets up his innocent brother to take the bullets meant for him.
Dave's friend, Paul Tate, is critically injured in an explosion and he's determined to discover who was behind the blast.
Dave Barrett seeks the killer who set off an explosion in which his friend was critically hurt, and he learns that a beautiful woman fears the blast was meant for her.
A controversial Southern governor hires Dave to protect him against assassination.
An ex-Navy man who spent five years in the brig and blames Dave for his imprisonment gets his revenge by kidnapping Barrett's father.
Barrett trails two fugitive bank robbers to Chicago where all three manage to run afoul of legendary gangland boss Frank "the Enforcer" Nitti.