Pasquale Grifone, who lives in Naples with his family, receives in a dream the visit of Dante Alighieri. The poet suggests to the man, clouded by the fumes of alcohol, four numbers to play.

Giorgio with some friends rehearses a show of Neapolitan songs financed thanks to an elderly artist. Having come to quarrel with the landlady, Giorgio rented a room with a good woman who lives with her beautiful daughter Maria. Love soon arises between the two.