I Vitelloni (1953)

Fausto Moretti seduces his friend Moraldo Rubini's sister Sandra and is forced to marry her After their honeymoon, he takes a job selling religious objects in a small shop. Marriage doesn't change him; he still goes with his friends to look for women. He even tries to seduce his boss' wife and gets fired. Sandra forgives everything he does. He and his friends of similar temperament are content to be idle, chase girls, and leave the job-hunting and work to others. After Fausto has spent one more night away from home with a girl, Sandra can no longer forgive and runs off with their child, and Fausto and his friends search all over for them, fearing the worst.