Giulio Cesaroni and Lucia Cudicini, he a widower, she separated, meet again after twenty years in Rome. They realize they still love each other and decide to get married, so Lucia's daughters, Eva and Alice, arrive from Milan and move in with the Cesaronis. Getting to know Marco, Rudi and Mimmo, Giulio's sons, is not easy and things are also complicated by uncle Cesare, Giulio's brother, and his jealousy.