Arriving at the Enutrof floor, the gang find four doors, so they decide to split in order to find the exit quicker. Ruel remembers his youth and a girl he once loved.

Cast: Thomas Guitard, Geneviève Doang, Fanny Bloc, Adeline Chetail, Patrick Béthune, Jérémy Prévost, Caroline Lallau, Karl-line Heller, Franck Lorrain, Cathy Diraison