When the prison choir loses its leader, the boys try to get him back in.

A gang of bank robbers is pursued by an insurance investigator.

Attorney Walter Colby has ties to the mob, but he begins to regret his criminal affiliations. When his girlfriend, showgirl Flaxy Martin, who also has shady connections, becomes a suspect in a murder, Walter takes the fall. However, on his way to prison, he escapes, determined to bring the real killer to justice.

Two U.S. Treasury ("T-men") agents go undercover in Detroit, and then Los Angeles, in an attempt to break a U.S. currency counterfeiting ring.