Giulio and Ezio are convinced that Cesare is abusing drugs, while the poor innkeeper is struggling with a furious stomach ache, due to the consumption of expired sardines. Lucia, who returns to teach in Rudi's class, attracts the antipathy of her parents.

Cesare sees Pamela again, the two still love each other and start dating again. The innkeeper, however, cannot confess to her that he is a virgin and instead of sincerity, he prefers to disguise himself, on Giulio's advice, behind the false identity of the wealthy Achille.