While visiting Universal Studios in Hollywood along with their respective families, two Italian tourists get on a real time machine and got lost in time. Professor Mortimer effort to rescue them result in trips through various ages of ancient Italy.
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.
Four Italian men are suddenly involved in awkward situations, while they are spending the Christmas holiday, stuck in Amsterdam.