In 1932, thousands of Komsomol members set off for the Far East to build the "city of youth" — Komsomolsk-on-Amur. Among the builders is a saboteur. Soon, fuel depots explode at the new factories in Komsomolsk.
In the village of Sableuse, the local manor has been bought out by a nouveau riche, Emile Cousinet. When his wife Lisette, a former music hall actress, flees to Paris with young Pierre de Sableuse, Cousinet asks Father Pellegrin, the village vicar, to bring the lost sheep back home.
A western town is being overrun and ruled by a gang of outlaws led by Bart (John Merton). Former Ranger Tim (Tim McCoy) is called out of retirement and assigned to clean up the gang.
A cocky young Marine who's alienated many of his fellow soldiers with his smart-aleck, wiseguy attitude gets a "wake-up call" when his unit comes under attack by bandits.
Pre-war intelligence man Tommy Blythe interrupts his honeymoon to investigate the discovery of vital Air Ministry blueprints on a woman killed in a London road accident.
Reflecting the filmmaker's passion for automobiles, who in his youth participated in car races, the film portrays the attempt to manufacture a new model in the Ford factory in the city of Porto.