In Pietrasanta all are excited for the annual party of summer end. Here we find four characters: Merigo, a naive guy passionate of bike; Pierre, son of the mayor; Simone, a pestiferous kid; Mario, lifeguard of "Bagnomaria".
Sergio Benvenuti is a shy seller of contracts for a Roman company of music, but because of his character he cannot find even a customer, so he asks for help from a fellow named Nadia.
Three characters' misadventures in semi-deserted, summertime Rome: a dim-witted mama's boy falls for a tourist; a would-be womanizer struggles to find company for his sex tourism trip to Kraków; a hippie is drawn into his father's schemes to bring him back into polite society.
Kids from a huge apartment complex in Rome form a secret society to unite their forces and get back at the nasty adults who 'oppress' them, playing pranks on them to expose their weaknesses.
In 18th-century Rome, impish aristocrat Onofrio del Grillo amuses himself by playing pranks on all sorts of people — his reactionary family and fellow nobles, the poors, the French occupiers trying to modernize society, and even the Pope himself.