Reporter Homer Smith accidently draws Marcia Warren into his mission to stop Nazis from bombing Allied Conwoys with robot-planes.

Jean and Marise, young lovers forced from their homes, flee to Paris. Irrevocably separated there, their lives deviate into the slums and hard labor of low-class French society. All the while, the two desperately search for one another.

Crooked mine dealer Scotty McGee lures away gold prospector Tim Kendal's wife, Olga, who married out of gold madness. Kendall gets revenge when he actually strikes gold, then later, as a member of the police force, arrests McGee and Olga as swindlers.