Angela Cantalupo is a beautiful girl disputed between Tonino and Carlo who both desire her; while her boyfriend seeks her only to satisfy a whim of hers also pushed by her father, Professor Pinzarrone, Carlo loves Angela instead of her and despite having openly declared himself to her, her feeling is not reciprocated by the girl .
During a meeting with Angela, Tonino goes off the road while driving his car and fortunately the two boys escape unharmed; Professor Pinzarrone decides to use this opportunity to take revenge for a youthful wrong committed by Angela's father, Professor Cantalupo; Pinzarrone spreads the rumor that his son Tonino suffered injuries during the accident to attract the attention of Angela and her father who are considerate towards the boy.
In the background of this story, Carlo and two of his classmates also appear and enjoy pulling pranks on others, especially Professor Cianca, taking advantage of her phobia for loud instantaneous noises, and Professor Cantalup