Overview: Io, Leon and Joyce's project hits a dead end and while Joyce distracts Ms. Schiller, Io and Leon work the night shift at the boarding school. Fabienne refuses to admit her prank on Massuda, whereupon she launches a counterattack. Marlon also sees a night shift coming up again. Until Joel gives him the idea to make a virtue out of his mistake. Will Sirius and Chiara notice Marlon's double play?