Alberto and his grandfather have a heart-to-heart talk about what has transpired. The conversation turns to Ciccio, who hasn't come home yet.

Little by little, as they walk and talk, Dafne and her father make discoveries about each other, even deeply personal ones.

We move to the French side of Mont Blanc, which has a much milder slope than the Italian side. Mont Blanc stands out as having had an important role in the development of mountain-climbing as a competitive sport.

Rotunno's wife had heard the news report in the bathroom of the airport, so she made a change of plans in a hurry. At home, Livietta and her mother are having a chat about school, while Camilla's phone keeps ringing and ringing in the living room.

Nora decides to organize Rebecca's wedding without Ugo's help. She prepares for battle and embraces the bride-to-be's wish to have an impact-zero wedding dress.

Cettina helps Guido get his room in order, and discovers that an assumption she had made about him was false. Grandpa Libero has to go and confront Alberto about his absence from the university.

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

Marika shows us a famous bookshop in Venice. It's in a critical position with respect to the water level, so special precautions are taken to protect the books when there are high tides. Fascinating!

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!

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.

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

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.

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?

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.