Getting ready for the wedding that will unite two very different families- the humble Italian taxi driver Cristoforo Colombo and his wife Rosy, and the rich Italian-Americans Alessandro and Patricia Di Giacomo.

Rome, 1989. On his last day of high school, Luca gets in trouble when he takes it all out on hated literature teacher Martinelli, only to discover he's going to be heading the examination board for his finals. During a summer of fruitless study, he falls in love with a girl he met once at a party, unaware that she's Martinelli's daughter. The latter, strangely enough, has just offered Luca to prepare with him...