Growing bored with Louis-Auguste’s self-indulgence, Marie decides to attend masquerade ball in Paris.

Unable to shake the memory of Duke de Guéméné’s cold-blooded murder of a young boy, Oscar confronts him. In response, Duke de Guéméné issues a challenge to Oscar - a pistol duel to the death.

Hearing of Rosalie from Oscar, Marie Antoinette calls on her to attend court in Versailles.