Ines is the Duchess, wed to Edward, a man who is kinder than anyone else. However, she harbors an unspeakable secret: being humiliated brings her far more pleasure than receiving gentle affection. When the butler, Leon, uncovers her hidden desire, he fully exploits it. While the Duke sleeps peacefully, he engages in everything he wishes with her… This leads to a forbidden affair, with desire spiraling into danger, and an erotic game of submission from which the Duchess can no longer break free.