03 October: Valmont writes to Azolan, his valet. Valmont reprimands his valet for not having known Tourvel was leaving. He tells him to spy on her. He wants to know about every move she makes.

03 October: Tourvel writes to Madame de Rosemonde. She apologizes for her abrupt departure. She confesses she is in love, though she does not name with whom, and she feels she will succumb to her desires if she were to stay.

03 October: Rosemonde writes to Tourvel. She is more pained by hearing why Tourvel left than the departure itself. She admits she was already aware of her feelings of love, and moreover, whom she loved. She lets her know that she can always confide in her.