A pair of Americans want to perform the greatest robbery: the treasure of San Gennaro, in Napoli.
The film presents the tale of Agnese Ascalone, daughter of prominent miner Vincenzo Ascalone, and takes place in a small town in Sicily. Agnese is seduced by her sister Matilde's fiancé, and has a tryst with him for which she confesses and tries to repent, only to be discovered by her mother and father.
An aging American millionairess journeys to Rome each year with her chauffeur George to play the card game scopone with destitute Peppino and his wife Antonia.
