Leonardo Da Vinci was seen as a great artist during his lifetime. The same cannot be said for his life as an inventor. His genius as an inventor was only truly known through reading his secret manuscripts after his death. His want to invent was because of his curiosity and insatiable quest for knowledge. He was able to invent the earliest prototypes of such things as the steam cannon, the machine gun, the submarine, the depth charge, and the tank, all which were welcome inventions of the day for monarchs who saw their usefulness in warfare.
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.
A colonial wife carries on an affair with a French officer, but the wife's native servant may have overheard their plan to leave Africa and return to Europe together.
Six young boarding girls return home unexpectedly after their college has been destroyed by fire. Their unexpected presence arouses melodramatic reactions.
When a band of American Indians breaks a treaty with the federal government, U.S. Marshals Ken Maynard and Hoot Gibson hit the trail with captured outlaw Duke Dillon (Jack La Rue) to find out what sparked the uprising.
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.
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.
