Amid the glittering fêtes and banquets of the most immoral court in sixteenth-century Europe, the reluctant bride becomes a passionate but unwanted wife. Humiliated and unloved, Catherine spies on Henry and his lover, the infamous Diane de Poitiers. Tortured by what she sees, Catherine becomes consumed by a ruthless ambition destined to make her the most despised woman in France: the dream that one day the French crown will be worn by a Medici heir. . . .