Giulio aims to ease his father's workload by secretly addressing envelopes late at night, a task from his father's second job. Unfortunately, Giulio has trouble staying awake during the day, which angers his family and teacher. He struggles with his father's hatred toward him for the declining grades, while simultaneously trying to keep the burden off his father, who is falling ill from overwork. Giulio decides that his love for his father means his father's health is more important, even if it means his father will hate him more. One night, the cat knocks over the address book and awakens his father. Finally, it is uncovered what Giulio has been doing, and his father falls to tears.