Gilberto, 50enne, si fa coinvolgere in una cosiddetta speed-date, una gara in cui i protagonisti devono trovare un partner in 3 minuti. Arrestato, deve confessare tutto in presenza della moglie che lo sbatte fuori di casa. Rifugiatosi da amici scopre che il suo migliore amico è amante della moglie e comincia a tentare di avviare nuove relazioni che falliscono tutte.
This time the "amici" (friends) are just four: Necchi, Meandri, Mascetti and Sassaroli. Nevertheless they are older they still love to spend their time mainly organizing irresistible jokes to everyone in every kind of situation. Mascetti is hospitalized in a geriatric clinic. Of course the place become immediately the main stage for all their jokes. After some jokes they decided to place an ultimate incredible and farcical joke to the clinic guests.
Antonio, a former variety actor, keeps his daughter in an excellent boarding school by organizing small scams with his friend and colleague Felice. Commissioner Malvasia good-naturedly persecuted him. When their respective unsuspecting children fall in love, the two fathers make peace.