Imma discovers that Aida used to go to the same club where her daughter, Valentina, is at a party. She does what she feels she has to do.

Liberto wants to tell Nilde about Alberto but holds his tongue because she has her own problems. Later, with help from Fausto and Lele Ju, Libero is able to find out some more details about the exams.

Ferrari finds a plane ticket in the victim's name and calls the travel agency to find out more. Camilla and Martina pick up the kids at dance class and the conversation gets around to the new substitute teacher Camilla had no idea about.

Mimmo is stuck at home taking care of household matters, trying unsuccessfully to write new songs, and Franca is getting work and is out and about. This situation of dissatisfaction and imbalance leads to harsh words.

The wedding gown design studio still hasn't solved the problem of the grains of wheat to put in the hem of the bridal gown. In the office, they are still waiting for Rebecca, but no one could predict what happened next.

Dafne finds a little memento that seems to ground her. Her dad is having a hard time, though. The lyrics of the song in the background seem to mirror what's going on in Dafne's head.

Mont Blanc has always been considered the highest peak in Europe. But is it? Alberto Angela discusses this and another question: What's the real height of Mont Blanc and why do they have to measure it every two years?

Marika takes us to Venice where we have a look around through her "eyes." We start out near the Doge's Palace.

Not surprisingly, Valentina is furious with her mother. Imma and Calogiuro go back to the beach to question Vaccaro. Not surprisingly, he has no idea who Aida Bashir is.

Ciccio goes out with his un-named friend and we discover what the pupo (kid, puppet, baby) is. At home, Maria is studying with Rebecca, but having a hard time concentrating. When Guido finally walks in the door, there is a little misunderstanding.

Camilla goes to see Luca's mother and learns why she doesn't want to call the police about her missing son. Gaetano is rushing to the airport, where Torre and Ferrari are waiting for the victim's wife to make an appearance.

It's coming on Christmas, and Mimmo is strolling through the street market. He spies an old friend who is clearly not doing so well. Domenico has been in that situation many times in the past and doesn't hesitate to "pay it forward."

Nora goes to see Roberto, to let off steam. Later she discusses the wedding with Ugo, and they make some decisions.

Dafne and her father are on the train together. She seems happy, he a bit less. They get off and start hiking.

We learn about the curious names of some of Mont Blanc's magnificent peaks and glaciers. Normally there are 42 glaciers but that number can change!