Cassio, a tourist guide, and Primo, his bus driver, are taking a bus load of tourists to visit villa Jovis, at Capri island. Then they have an accident, and they knock their heads hard, losing conscience. They come awake in the times of the Roman Empire in Tiberius' villa.

Tina, an old lady and detective stories buff, moves to town in the house of a god-daughter of hers whose husband is a private dick. She thinks she will be able to help him with his inquests. He does not agree with her and tries to discourage her by any possible means.

Michele, a young mechanic, is in love with Angela Antonia, beautiful but capricious: the girl's father, once he learns of the relationship, has him fired from the place where he works and is forced to move to Naples. He asks for hospitality from his aunt Carmela, concierge in a building, but she has no vacancies and arranges him as Donna Tecla, the owner of a pension who, having three young daughters eager to get married, hopes to arrange at least one. But the three girls are not the best of beauty and Michele, gifted with a beautiful voice, agrees to sing in a club on behalf of an impresario who becomes his friend.

Maria, is a girl raised by the loving care of a poor couple but without knowing anything about her real parents. She is in love with Giorgio, a boy from a good family, who however has also aroused the interest of the intriguing Edvige who frequents bad company including jealous Roberto.

Antonio De Papis is a lawyer and his specialization is separation by mutual consent. He is contrary to marriage because he sees so many of them going wrong. So when his nephew calls on him asking for his approval to his marriage, Antonio suggests to him to spend a day in his office to see what marriage really is.

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.

Luisa Galli moves to Rome in search of a respectable job, but instead just finds a job as a waitress for the lawyer Giorgi