Raoul de Bragelonne, son of the musketeer Athos, returns to France from a mission to England to find that his lover Louise de la Vallière is now mistress of Louis XIV. Instead he now falls in love with Hélène de Winter and with the assistance of D'Artagnan foils a plot by Cardinal Mazarin to put the King's secret twin brother on the throne.
Klossner, Michael. The Europe of 1500-1815 on Film and Television: A Worldwide Filmography of Over 2550 Works, 1895 Through 2000. McFarland & Company, 2002.