Blondine, the daughter of a poor fisherman, marries the Prince of the Mountain. Brune, her sister, envies Blondine her happiness and tells her that a secret lies hidden in her husband's name. Blondine tries to discover it but, before she does, the Prince is imprisoned by an ogre. Blondine must face goblins, imps, and the water djinni before she can deliver her captive Prince.
An Alsatian, head of a section of the Gestapo, is actually spying on behalf of the French and dismantling a Nazi network. His activities are brought to light by the Germans and he owes his life only to the intervention of a young woman.
The young King Boris of Neustria, who has followed his family in their exile in London, falls in love with the daughter of a wealthy American businessman. The latter, however, will only approve the union if Boris gives up royalty for the business world.
