A family man travelling for work, Paolo Bianchi, meets on a train a lonely girl, Maria. He sees her again on a bus and she reveals him that she's in troubles: she's pregnant, her baby's father has left her and she doesn't know how to tell to her parents that she's not married. She asks Paolo to play the role of her husband and he accepts....
Franco and Ciccio are two simple-minded Italian guys whom are mistaken by KGB spies by government agents from their government and other foreign governments.
Tapioca, a small-time thief, hides out in an elegant apartment, where he is soon joined by Cascarilla, one of his apprentices who has become better than his master. When the owners arrive home, the latter offers the wife a bunch of love letters she has written to various lovers for ten million.
