It seems that Zarre (Guido Celano), the man chosen to be the jockey for the Lupa contrada, and fiance' to Fiora (Leda Gloria), becomes enamored of a cafe' chanteuse. Bachicche, the jockey of a rival neighborhood, wants to get even with Zarre for a past offense and enlists the help of the chanteuse, Liliana (Laura Nucci).