An African-American prison psychiatrist finds the boundaries of his professionalism sorely tested when he must counsel a disturbed inmate with bigoted Nazi tendencies.

The US Government tries to track down embedded Nazi agents in the States.

Broadway gamblers stumble across a plan by Nazi saboteurs to blow up an American battleship.

FBI agent Ed Renard investigates the pre-War espionage activities of the German-American Bund.

Archival footage of an American Nazi rally that attracted 20,000 people at Madison Square Garden in 1939, shortly before the beginning of World War II.