Matilde Sarni lives in her villa near Rome. She has a son who has just married Donata and who is coming home after a series of recitals in the States. Mario, her son, is a famous opera singer and he is twenty years older than his wife. Besides Donata doesn't like country life. So when Mario leaves for a tour of recitals and Donata meets Giulio...—Baldinotto da Pistoia