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.

Fabio Leone and Paolo Pecora are two police officers from Rome, who, together with the careless Neapolitan Ciro Marmotta, are fired from the barracks due their scuppering of a plan to capture a secret agent.