Henry Roubier, a French promoter, and Enrico Mazzini, an Italian, have signed an agreement guaranteeing them a stranglehold on European highways. While driving on the roads of the south, Roubier takes two young hitchhikers, but an unfortunate swerve the car rushes by Henri and its occupants on the top of a pine tree onto the side of a cliff.

France, 17th century, during the reign of Louis XIII. When a dear friend, the Duke of Nevers, is treacherously assassinated by a powerful relative, a skilled swordsman, the noble Henri de Lagardère, seeks his rightful vengeance as he tries to protect the innocent life of the duke’s last heir.