Laura has just experienced a series of strong emotions! After she ends up in the hospital, Xavier finally kisses her and admits the importance she has in her life. But what will be next for them? Laura does not really know how to lead her social life, which seems to have fallen into ruins, while trying to fit into Xavier's. She learns that a rumor about them is running at the CitÔe-des-Jeunes. When she discovers what is at stake, her certainties are shaken and her world is turned upside down. To complicate matters, she receives mysterious letters from an anonymous admirer.