Lupin engages in a series of daring criminal schemes. His activities arouse the interest of Kaiser Wilhelm II of Germany, who offers Lupin a challenge: to steal a jewel of great value from a secret hiding place. Should Lupin accept the wager? Starring Robert Lamoureux, Liselotte Pulver and O.E. Hasse; directed by Jacques Becker (Casque d'or, Touchez pas au grisbi).