Armando Conforti, his family and his friends have a business: they sell souvenirs near St. Peter's, in Rome, they change dollars, in short they get along. When Armando's son, Paolino, runs away from his boarding school, his sister Lucia makes up a story about their paralyzed old father to move Paolino's teacher Roberto. Roberto is so touched to go to visit their father Armando...