Luciano, who studies at the university, falls in love with Sandra, a high school student, who returns his love. If her family is very rich, his family is of modest extraction; however, the difference in condition does not seem to be a problem, and Luciano's degree increases the hope of a happy future. However, following a sudden financial collapse, Sandra's family business failed: so, to help her parents, the girl accepted the kindness of a very rich childhood friend, deciding to marry him.
Paolo Anselmi is a happily single man. He lives in a flat with a friend but is forced to leave when the friend gets married. He then goes to a boarding house where he flirts with a girl but ditches her when she proposes marriage. When he goes and visits his mother he finds out that she is also trying to find the right girl for him. Is he going to surrender this time?
Sunday is the only day off that house maids use to date the young men who cross their paths: doormen, soldiers, sailors, timid virgins and lurid husbands, or even a doctor.
