The fictionalized life, and interpreted by himself, of the popular boxing champion Marcel Cerdan. Training sessions, matches, victories, flight to the U.S.A. where the title of world champion is disputed, form the whole subject of the film.

One of Alexandre Dumas's most popular adventure novels is "The Count of Monte-Cristo". What is little known is that the famous writer made up neither its plot nor its characters. Dumas actually heard the true story of a man named François Picault during a stay at a private mansion and only adapted it into the novel everybody knows . Picault (who in the book would become Edmond Dantès) was about to marry the beautiful Marguerite (Mercédès in the novel) when he was denounced by three jealous friends who falsely accused him of being a spy for England. Picault was placed under a form of house arrest. In his prison, he made friends with an Italian abbot. When the man died, he left his fortune to Picault whom he had begun to treat as a son. On his release, Picault, who had become wealthy, was able to pursue his ruthless revenge on the three men who were responsible for his misfortune.

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.

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.

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.