Grandpa Libero is having a rough day with his family. Ciccio is zoned out playing video games. Alberto comes home talking about his exam, and Maria comes home without Annuccia.

At the police station, there seems to be a match for the murderer. In class, Camilla does the roll call and discovers Luca Foglietti is absent once again. She goes to the window to investigate.

In the end, Lorenzo and Maya's wedding was a success for everyone except Gisela. Back home, Ugo and Nora discuss the day without arguing too much, which is also a huge success.

Dafne's father prowls around the house at night with a flashlight. She doesn't get it. She likes running water, which he doesn't get. They are each trying to deal with their grief.

The Castle of Roccascalegna stands on a high, rocky bluff dominating the valley of Rio Secco in the province of Chieti. Breathtaking drone footage allows us a bird's eye view of this fascinating construction, begun by the Lombards as a watchtower.

Guido goes over and beyond the requirements for a housecall. Meanwhile, Cettina is bringing out the "good silver" again to impress the doctor from the big city.

Camilla gets caught at the school window by the new principal. Having seen what she saw, she tries again to get some information from her students. Meanwhile, Berardi and Torre search the apartment for clues, and Berardi talks to the doorkeeper of the apartment building.

Ugo and Nora seem to be having a harmonious moment but there is tension in the workplace, as Iside tries to get a wedding gown ready for delivery. A new client has shown up and is chatting with Ugo in the office. It's "renewable energy" week in Trieste.

Dafne is trying to get her father to do more than just lie around. She also has some ideas about changing around the furniture.

We are back visiting nature's own wonders, this time up in the mountains, on Mont Blanc, to be precise, at an altitude of over 4000 meters.

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.

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?