Every morning, Madame Chameau, the teacher, punishes Quentin for his lateness. The poor boy has really had enough! But everything works out when the saleswoman of the new store, "Magic Magie", lends him a strange object: a magic zip-zip. All you have to do is say the secret formula, press the red button, and, presto! we are sent wherever we want! Unfortunately, Quentin doesn't know how to hold his tongue... And, disaster! Rigobert, the mistress's son, steals the zip-zip...