As soon as he leaves the house, she closes the door and opens the small packet she gave to Sante when she came home. She takes out a cigarette and the two smoke. That is her secret! But while she is smoking with Sante, Gil comes back. Smelling the tobacco he starts to search the house for Susanna's lover on the pretext of looking for the umbrella he forgot. Having no success, Gil furiously goes out again and Susanna lights a second cigarette. Once more Gil enters and, this time, he is sure that he will catch her in the act. Trying to seize her hand, he gets burned thus finally unveiling her secret. They forgive each other and swear eternal love while smoking together.