A traveling salesman is sent to prison after being accused of bigamy, while his wife and son are forced to consider leaving him permanently.

A photographer named Corrado snaps a picture of Antonietta. When it shows up on the front page of a magazine, she wants to take him to court over it.

Alvaro is been in jail and so he consider himself the most fit to lead his three friends Mario, Otello and Spartaco. The four young men decide to start a business. They need only a van to start a transport company. But they lack the money. How can they get it?

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.