Federico, his girlfriend Laura and her cousin, Caterina, are three young people full of hope, united by a great friendship that seems indissoluble. The three work in a department store but, when Caterina decides to attempt a musical career, given her vocal skills, everything changes. Caterina becomes a successful singer and Federico falls in love with her. Caterina, who however does not want to make her cousin Laura suffer, pretends not to reciprocate the young man by making him put his head in order. Meanwhile, the plots of various secondary characters evolve, in particular the fresh marriage between the security guard Antonio and the secretary of the department stores Adelina.
Sabrina is a beautiful thief, one who happens to have seven moles on her thigh, forming the constellation Ursa Minor; this is the only clue German police have to solve a recent robbery. Teo is a photographer looking for a pair of beautiful legs to participate in a photo contest. When he secretly takes a photo of Sabrina's legs, including the telltale moles, Sabrina has to get it back at any cost, something which brings her into dangerous proximity with the smitten Teo. Romance and assorted hijinx ensue.
Five young men dream of success as they drift lazily through life in a small Italian village. Fausto, the group's leader, is a womanizer; Riccardo craves fame; Alberto is a hopeless dreamer; Moraldo fantasizes about life in the city; and Leopoldo is an aspiring playwright. As Fausto chases a string of women, to the horror of his pregnant wife, the other four blunder their way from one uneventful experience to the next.
While on vacation in Rome, married American Mary Forbes becomes entangled in an affair with an Italian man, Giovanni Doria. As she prepares to leave Italy, Giovanni confesses his love for her; he doesn't want her to go. Together they wander the railroad station where Mary is to take the train to Paris, then ultimately reunite with her husband and daughter in Philadelphia. Will she throw away her old life for this passionate new romance?
Gino Bardi is a centre-forward in a football team which is about to be relegated to the second division. Just before a very important match a girl he has a relationship with proposes him to rig it. He refuses the offer but he actually begins playing like an amateur and the crowd begin to smell something fishy going on.
Maria is a housmaid and she is being engaged to Berto for fifteen years. Berto has not a lasting job so he is waiting for the death of his uncle Matteo to come into an inheritance. In the meantime Maria goes on with her work, first in the house of an unfaithful wife; then for an actor and his wife on the verge of leaving each other and last for Raffaele who wants to marry her. At last uncle Matteo dies...
Good-natured and devout, a French house painter takes the train to Rome, where he has decided to go on a pilgrimage. There he meets a scatterbrained dresser who has been assigned by a music hall star to bring her the gown she is to wear on stage. The two men get stolen by Cleo, a charming thief. Once in Rome, the painter finds himself penniless and the dresser without the gown...
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....