Johnny Riggs, a con man on the lam, finds himself in a Latin-American country named Patria. There, he overhears a convent-bred rich girl praying to her guardian angel for help in managing her tangled business affairs. Riggs decides to materialize as the girl's "angel", gains her unquestioning confidence, and helps himself to the deluded girl's millions. Just as he and his partner are about to flee Patria with their booty, Riggs realizes he has fallen in love with the girl and returns the money, together with a note that is part confession and part love letter. But the larcenous duo's escape from Patria turns out to be more difficult than they could ever have imagined.

In this exciting spy drama, enemy agents endeavor to steal the plans for a top secret silent aircraft. The plane's inventor wants to sell his invention to other countries but his government will only allow it if the test flights fail. The prototype is sabotaged and crashes on the first test, killing the pilot. The commanding officer shoulders the blame and ends up court-martialed. He then goes to the enemy agents and wins their trust.

In flashback, fifty years after inventing the light bulb, an 82-year-old Edison tells his story starting at age twenty-two with his arrival in New York. He's on his way with the invention of an early form of the stock market ticker.

A tough District Attorney goes after a murderous crime gang, only to find that his witnesses, an innocent family, have clammed up in fear of reprisals.

The beautiful owner of a silver mine in Mexico asks an employee for help when bandits keep robbing her shipments.

The mysterious Don Del Oro ("Lord of Gold"), an idol of the Yaqui Indians, plans to take over the gold and become Emperor. Francisco was put in charge of a legion to combat the Yaqui tribe and protect the land, but when attacked Zorro came to his rescue. Francisco's partner recognized Zorro as the hidalgo Don Diego Vega, then ask him to take over the fighting legion as his alter-ego Zorro.

Indian aristocrat Rama Safti returns from medical training in the U.S. to give his life to the poor folk of Ranchipur. Lady Edwina and her drunken artist ex-lover Tom Ransome get in the way, but everyone shapes up when faced by earthquake, flooding, and plague.

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the world. His nemesi, Dr. Nayland Smith and his associates fight to keep the evil doctor from getting his hands on the keys. In 1943 the serial was edited together into a feature movie also called Drums of Fu Manchu.

Two reporters pose as man and wife in order to get the goods on a munitions supplier and the rumours of war in Europe.

Singer Rose Carlton, otherwise known as 'The San Francisco Doll', accidentally kills her controlling boyfriend when he tries to prevent her from leaving. To evade the police, Rose sets sail for Nome with captain Bull Bracket. When the ship takes on another passenger, reformer Annie Alden, Carlton's life is changed forever, and she sets out to honor a deeply personal debt.