Three episodes held together by a common element: a car rented by three different characters.

Frenetic in its pacing and with miniscule character development, this trite slapstick farce stars three Italian comics - Paolo Villaggio, Lino Banfi, and Massimo Boldi as the idiot-nephews of a wealthy invalid (Enrico Maria Salerno). The uncle's plan is to teach the trio how to successfully steal for a living but the plan does not have a chance against their exaggerated ineptitude.

Fabrizio finds refuge from thugs in a convent, and passion in the arms of Lucrezia Borgia.

A billionaire hires a professional thief to steal a famous diamond.