How do La Belle Lisa and La Belle Normande become friends again?

Now that she knows Florent will soon be out of the way, La Belle Lisa decides to call a truce with La Belle Normande and makes up her mind to return to La Belle Normande the photograph of her that was hidden in Florent's room. At Lisa's behest, Mademoiselle Saget approaches La Belle Normande to offer her the terms of the truce. La Belle Lisa and La Normande agree to let bygones be bygones and become friends again.