A young man builds a hot rod despite the disapproval of his father, a Juvenile Court judge. Circumstantial evidence points to the innocent teenager when his car is involved in a hit-and-run accident and he must reconcile with his father.

After straight-arrow district attorney Joseph Foster says in frustration that he would sell his soul to bring down a local mob boss, a smooth-talking stranger named Nick Beal shows up with enough evidence to seal a conviction. When that success leads Foster to run for governor, Beal's unearthly hold on him turns the previously honest man corrupt, much to the displeasure of his wife and his steadfast minister.

A bookie uses a phony real estate business as a front for his betting parlor. To further keep up the sham, he hires dim-witted Ellen Grant as his secretary figuring she won't suspect any criminal goings-on. When Ellen learns of some friends who are about to lose their homes, she unwittingly drafts her boss into developing a new low-cost housing development.

An undercover U.S. Immigration agent falls in love with an immigrant attempting to enter the United States through Havana, Cuba in an illegal smuggling ring.

The big national crime syndicate has moved into town, partnering up with local crime boss Nick Scanlon. McQuigg, the only honest police captain on the force, and his loyal patrolman, Johnson, take on the violent Nick.