The Marquis de Montespan and his new wife, Athenais, are a true love-match - a rarity amongst the nobility of seventeenth-century France. But love is not enough to maintain their hedonistic lifestyle. When Madame de Montespan is offered the chance to become lady-in-waiting to the Queen at Versailles, she seizes this opportunity to turn their fortunes round. Too late, Montespan discovers that his ravishing wife has caught the eye of King Louis XIV. As everyone congratulates him on his new status of cuckold by royal appointment, the Marquis is broken-hearted. He vows to wreak revenge on the monarch and win back his adored Marquise.