E allora mambo! (1999)

After receiving a large sum of money on his bank account by mistake, a small-town thirtysomething dissatisfied with his life sees the opportunity of turning back the clock to when things were good, reliving the carefree life of an university student in a big city. Here, he falls in love with a girl and gets her pregnant. There's just one problem: he already has a wife and a daughter back home!