 Carlo (Stefano Accorsi) is a twenty-nine-year-old man who works in an advertisement agency and has been living with his girlfriend Giulia (Giovanna Mezzogiorno) for three years. When she gets pregnant and he meets the stunning eighteen-year-old Francesca (Martina Stella), his relationship with Giulia moves into a crisis, since he is not ready to reach adulthood. Francesca has a crush on Carlo and dreams of him. His three best friends also have problems with their mates: Adriano (Giorgio Pasotti) has just had a son and has problems with taking the responsibilities of fatherhood, while his wife Livia (Sabrina Impacciatore) becomes very connected to the baby, neglecting their marriage; Alberto (Marco Cocci) has no ties with any woman, limiting to use them sexually; and Paolo (Claudio Santamaria) has a passion for his former lover. Meanwhile, Giulia s mother Anna (Stefania Sandrelli) has a middle-age crisis, jeopardizing her marriage.