Eva meets up with Samantha by chance at the gym and hears an unpleasant story. She offers to help in some way.

Luca has an embarrassing moment, and worrying, too. But there is a new case to distract him from his problems. This time, a deep sea diver is found dead.

A tic tac ad developed for the Milan Expo, showcasing new flavors. Tic tac is owned by the Ferrero Group, a multinational corporation based in Piedmont. Ferrero also owns the much-loved Nutella brand.

Together with Eros Ramazzotti, Adriano Celentano sings the ballad about the street in the outskirts of Milan where Celentano grew up. The street once abutted fields, but over time all the green was built on or paved over. The Via Gluck is named after the 18th century composer Christoph Willibald Gluck.

Eva goes to the hairdresser and learns about a girl named Samantha who could use some help. Meanwhile, Dante has an interesting conversation with some German customers.

Caterina is quizzed on the subjunctive and a new contestant, Nicola, is introduced.

Manara wraps things up, and he does it with kindness. But later, he gets an unexpected visit.

Because Anna knows the subject backwards and forwards, she volunteers to take the teacher's quiz on Liguria, but that doesn't help much with her grade.

Dante is trying to make up with Eva in two different ways. She's not making it easy for him.

Daniela discusses the verbs finire [to finish] and essere [to be] in the remote past tense.

Giulia Parri and Righini, the editor-in-chief of the newspaper, come in to police headquarters to clear up a couple of things, but then Manara has one of his famous moments of great intuition.

Where can we find substitute ingredients? What do we do with the rind of the squash? Germidi Soia answers these questions and more. There is mention of Nutella, which is the ultimate Italian comfort food, and tiramisù, a popular dessert.

Gianni explores the interior of the abandoned villa, imagining what it might have been like before.

Carlo presents Tiziana with a list of animals and she has to decide whether they have hooves or not. Caterina, a freelance art professional from the Veneto, enters the game.

Everyone had a rough time in this adventure, but all's well that ends well.