Episode: Part Four. Julien starts his campaign to win Madame de Fervaques, a pure and devout woman. This has the desired effect on Mathilde and she surrenders herself to Julien, visiting his room at great cost to her reputation. During Mathilde's eighteenth birthday party, Mathilde reveals to Julien that she is pregnant with his child. Mathilde discloses her condition to her father, who is outraged at his secretary's betrayal. Julien leaves Paris and stays with Father Pirard.