An undercover government agent sets out for revenge upon those responsible for the murder of his parents and the assault of his sister.

A fairy tale of the misadventures of a beautiful but temperamental Neapolitan peasant, Isabella, when she meets the ill- tempered Spanish Prince Rodrigo Ferrante y Davalos. The King of Spain has ordered Rodrigo to choose a wife among seven Italian Princesses, but he is smitten by the lowly peasant.