Estranged, quarreling brothers Carezza and Sorriso have to put aside their differences to reclaim their father's beloved dune buggy from predatory real estate developer Torsillo, with the help of beautiful circus performer Miriam, whose family business is threatened by Torsillo's enforcers.
In Christmastime Miami, heartbroken divorcée Giorgio invites himself to stay at his best friend Mario's — unaware that the latter is having an affair with his ex-wife — and ends up pursued by Mario's barely-of-age daughter; nosy and out-of-touch Ranuccio crashes his son's sex-themed holidays before ending up in a series of mishaps with Giorgio.
In the barracks of the "Settecamini" fire brigade in Rome, the shabby Squadra 17 tackles missions with resounding failures, waiting in vain for a chance for redemption.
The back-in-time misadventures of Walter and Ascanio are not finished. The defective time-travel machine will bring them from prehistory all the way to outer space, in a funny, light-hearted trip across the time.
The Tucci family discovers that they have not really lost all their money and, refusing to pay Italian taxes, decides to turn Torresecca into a tax haven, relying on a post-Italian unification bureaucratic oversight.
