Una giornata caotica in una classe italiana: tra difficoltà grammaticali, incidenti imprevisti e dinamiche di gruppo, si intrecciano tensioni, ironia e solidarietà tra studenti e insegnanti.

Marioni is summoned by the principal because he received a warning from Giacomo's parents who hold him responsible for what happened to their son. During rehearsals, the maestro discovers someone who shouldn't be in the hall.