The little girls are not allowed to see Camille, who has smallpox. During the night, Sophie breaks the rule and and goes into Camille's room to give her a drawing. Fortunately, she doesn't catch the disease, unlike Elisa who comes down with smallpox too. Everyone gets better again and to celebrate this, a donkey ride is organised at the castle. Sophie has the slowest and most stubborn of the donkeys. The cousins, Jean and Leon, arrive from Paris. Jean and Sophie are happy to be reunited. A little surprise performance is organised for Elisa and Sophie plays the lead role.

Les petites filles n'ont pas le droit de rendre visite à Camille atteinte d'une maladie contagieuse. Mais la nuit, Sophie brave l'interdiction et s'introduit dans la chambre pour y déposer un dessin. Heureusement, elle n'attrape pas la maladie contrairement à Elisa, victime de son dévouement auprès de Camille...