In Scotland in 1751, young David Balfour is shanghaied aboard a ship where he meets Jacobite rebel Alan Breck Stewart with whom he escapes to the Scottish Highlands, dodging the redcoats.

Opal, who knows nothing about her ancestors, falls in love with G. D. Stanley, the strange young man who is her closest neighbor in the Canadian wilderness. One day, Opal is informed that she is really the princess of a small country and must return to her native land to marry the neighboring king to save her people from invasion.

A powerful financial magnate is plotted against by his greedy son.

Sylvia, a model in the shop of a fashionable dressmaker, is introduced to the Hicks family, which recently has acquired a fortune through iron ore deposits discovered on their farm. Octavia Hicks sees in the cultured but unpretentious Sylvia a good match for her son Henry and invites the young woman to visit the Hicks home. Two other visitors, Frank Hayward and his accomplice Annie, are masqueradi...

Little Kate and Janie O'Dowd are sent to their wealthy American uncle, Michael O'Dowd, after their Irish father loses his life on a World War I battlefield. Having been locked accidentally into O'Dowd's munitions plant one evening, the children catch sight of their intoxicated cousin Miles O'Dowd admitting two men into the factory. The girls recognize the two as spies they had seen on the boat to ...

A wealthy financier is tricked by a pair of spies into giving millions to foreign powers. His daughter is suspicious and hires a Detective, who is able to foil the foreign agent's plans. Meanwhile, the daughter has fallen in love with a fellow from the enemy camp, but all ends well as his true identity is revealed as a member of the U.S. secret service.