Mike Douglas (Barry Sullivan), owner of a nitroglycerin concern hires his old friend "Buzz" Mitchell (Chester Morris), a race-driver of midget-auto cars who has been banned from racing, to go to work hauling nitro.
Caroline Bird, the crotchety and stingy owner of Bird Milk Products, is not amused when her employees at the Dairyville factory, the oldest plant in the company, broadcast a special radio program in honor of her birthday.
Tom Evans (Jon Dawson), nephew of U.S. Marshal Sandy Hopkins (Raymond Hatton), has just trailed his cattle to Yucca City, where he intends to sell to Ben Crowley (Harry Woods), owner of practically everything in town.
Donald Duck buys a rattletrap used airplane from devious proprietor Ben Buzzard, who tricks the unsuspecting duck into making Ben the beneficiary in case of an accident.
Tex Wyatt is blamed for a murder actually committed by Ransom and Holman, a couple of thieves. Tex manages to escape and is reunited with his two ranger pals Jim Steele and Panhandle Perkins, both of whom are working undercover as performers in a medicine show.
Nicoletta is a young rebel, cherished by his forgiving father, until an old relative joins the family after the wedding of her sister, and insists that the impetuous girl is sent to college.