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.

Christmas time. A group of students steal a considerable amount of money from the local Campus. They flee through the snowy woods, in what the locals refer to as the "heartland of the Beast". They seek shelter in an abandoned mine, and eventually end up feeding the Beast's gruesome needs.

Gallio and Teo are two witch defusers. Their task is to track them down and fight them by any means. The second is secretly in love with his sister-in-law Lucilla without knowing that she is a supreme witch. Teo will have to resort to Gallio's teachings (a headbutt, seven steps north and a flash of light to forget everything) to try to render her harmless.

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 life of Franca Malorni, exponent of the good bourgeoisie of the capital, suddenly changes when her husband dies suddenly. The woman begins to pour her attention on the three daughters, obliging them to have a Sunday lunch with their families.