The film is stars Humphrey Bogart and George Brent and is about a crime in the trucking industry.

Attorney Hugh Allison is appointed Special Prosecutor to investigate and strike down gangster John "Czar" Martin's racketeering scheme in the trucking industry.

To provide for his pregnant wife Nora, Jordan robs Martin's office but is caught.

This allows the other truckers to also join Martin's corrupt organization, while Allison begins jailing witnesses who refuse to testify.

The film was based on the prosecution of real-life trucking racketeering schemes in New York City during Thomas E. Dewey's campaign against organized crime in the 1930s.