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.
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.
The underage Rosemarie is still too young to run her inherited farm by herself; but she's more than aware that her foster father and the farm's administrator, the farmer Schlieker, is constantly skimming from the farm's finances to line his own pocket.
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.
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.
Donald's sister Dumbella sends her three sons Huey, Dewey, and Louie to visit their uncle Donald. They prove to be quite a handful for Donald, even with help from his book on child rearing.