It's their big day. School's out for Lucas, 18, and Alice his confidante, Richard the playboy, and Maxime the surprising Casanova of the gang. Across town, Clémence and her friends, sexy Valentine and romantic Clarisse, feel the same thrill of anticipation. After their final exams in a few weeks, they are done with high school forever! At a party, Lucas and Clémence's eyes meet. This feels like the defining moment of their young lives. But in his excitement, Lucas forgets to get Clémence's number and none of his friends knows her. Will he manage to find her?