Zandra, white princess of a lost civilization, comes to Tarzan for help when Nazis invade the jungle with plans to conquer her people and take their wealth. Tarzan, the isolationist, becomes involved after the Nazis shoot at him and capture Boy: "Now Tarzan make war!"
Florence and Chet Keefer have had a troublesome marriage. Whilst in the middle of a divorce hearing the judge encourages them to remember the good times they have had hoping that the marriage can be saved.
Merle Oberon plays a Norwegian resistance figure in a small town, married to a Nazi commandant. When his superiors begin to suspect her, the Allies land an assassin to kill him -- an assassin who happens to be her former lover.
Based on a true incident that occurred in 1942 when nine Nazi saboteurs were put ashore on the coast of Long Island, New York, by submarine, with orders to blow up various defense installations.
During WWII, the publisher of the isolationist New York Gazette is murdered just as he was about to change the paper's policy and support the US war effort. His friend, a small town patriotic editor, is brought in to find the culprits.
An independent truck driver organizes his fellow truckers to resist the efforts of a crooked trucking company exec to bring all drivers under his control. When the trucker's brother dies in an "accident" arranged by the trucking company's henchmen, he takes matters into his own hands
German expatriate Fritz Kortner plays the largest role, as an anti-Nazi schoolmaster who helps a downed American flyer (John Archer) reached Allied lines with vital war information. As usual, the Nazis are incredibly stupid and lead-footed, enabling the flyer to accomplish his mission.