[1] It tells the youth of Giacomo Casanova, who, after an unhappy childhood and early ecclesiastical activity in Venice, became an abbot and abandoned his vocation for the love of a countess.

Despite the plot, more than a portrait of Casanova, the film is more of a vivid fresco of the Venetian society of the time.

A few years previously, in the seminary in Padua, Giacomo had experienced his first love, though he was destined to be a priest.

While Giacomo now follows the seminary, the young noble is to sneak into a palace of beautiful girls and spend the night.

One day, Giacomo falls in love with a beautiful countess, so he decides to abandon his studies to become a priest for being a daring libertine.