Enemy to those who make him an enemy, friend to those who have no friend.
Boston Blackie spends some casual time with Mary when their friend, Shorty arrives with news. The newspaper reports on automobile accidents that smell of a racket involving phoney accident reports. People are claiming to be injured in car wrecks when they really weren’t. The listener is privvy to the racketeers making more plans for phoney accidents.
At the newspaper office, Blackie interviews the editor to see what he can learn about the odd happenings. At the scene of another accident, we see how the set up works. The pedestrian purposely walks into a vehicle, and claims to be greatly injured. His female accomplice acts as witness, and convinces the worried driver to settle with the aledged victim rather than file an insurance claim.
When Blackie finally zeros in on the bad guys, he finds Farraday already there to investigate a murder. The gang of swindlers begins to fall apart, and arguments lead to more bodies for Farraday and Blackie.
To get into the ring of racketeers, Blackie goes under cover as a hobo looking for work. Though he makes progress, there’s also danger. When the crooks learn who he is, it puts Blackie into certain danger because the crooks now suspect the cops are onto them. Watch out Blackie, you’re about to be taken out by the racketeers. Don’t worry, Blackie has a way of staying one jump ahead of both the crooks and the cops, and he explains all in the end.