An inhabitant of the Moon, crashed on the Earth due to the violent shock caused by an atomic experiment, remains amazed by the discovery of this planet and gives life to a puppet, begging him to introduce him into the world of men.

Everyday all kind of people pass through a Police Station, especially if it is downtown. Today, however, the chief of police has bought his first car and he has decided to test it with his wife going to Ostia. But first a theatrical company sent out of the theatre, last Alfredo Todini arrested while walking wearing a gown and in the mean a series of human cases, ranging from the pathetic to the funny one, get in the way of his wish.

Nannina is in love with Vincenzo who is poor and goes to Belgium to make his fortune. Nannina marries a rich elderly man. Vincenzo returns from Belgium and the passion flames up again. Nannina loses her head and wants to kill her husband; however, she is killed by an idiot servant whom she had always rejected.