In the Po Valley during the 19th century, a rich girl engaged to a well-to-do farmer ends up penniless and is forced to work for her fiancé’s relatives. Peasant unrest, carried to extremes by both workers and landowners, leads to violence and tragedy.

A bizarre mechanic tells a traveler the story of a bank employee, Peppino Biancaneve, who with the help of a disc is trying to put together the words he would like to use to ask for the hand of the daughter of the jeweler Carlo Casertoni, but while he mulls over the sentences he should pronounce to his future father-in-law he comes across a strange individual who could be a bringer of bad luck: a jettatore.