cccGuidoCarani,anengineerofnobledescent,hasjustlosthissonborntohimbyachorusdancer,who,desperate,hasbecomeanun.Afterawhilehealsoloseshiswifeanddaughterinacaraccident.PoorGuidoisindespair,butsoonhemeetsLina,awomanwhoisadeadringerforLuisa.