Maria, is a girl raised by the loving care of a poor couple but without knowing anything about her real parents. She is in love with Giorgio, a boy from a good family, who however has also aroused the interest of the intriguing Edvige who frequents bad company including jealous Roberto.
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.
The old friends Nicola and Pasquale meet in the city after many years. The two, now married and with their children, try to marry their four children, but it soon becomes more difficult than expected.
Legendary hero Siegfried uses a magic sword to fight a huge, fire-breathing dragon.
