A Nazi spy ring is after a powerful gasoline formula, developed by two U.S. chemical companies, to increase the fuel efficiency of U.S. Army aircraft. The spies capture one of the chemists, Tom Fielding, and threaten to harm his family unless he reveals the formula.
The Dawn Express
In the midst of World War II, a group of Nazi spies attempt to steal the formula for synthetic oil from the United States and smuggle it back to Germany via the Dawn Express, a nighttime aircraft.
