Margherita Hack was a scientist and communicator, but she also expressed her opinions about attualità (current events). Part of this segment features a panel discussion she held with author Andrea Camilleri, best known for his novels about Inspector Montalbano that became a popular TV series.

Non è mai troppo tardi (it's never too late) was a huge success, also in many other countries. Along with youngsters who attended school, older folks managed to learn to read and write, and to get their elementary school certificates, thanks to the TV show.

As she comes out of the police station, Camilla meets up with the "indestructible" guy who had been following her and Dora. He gives her some information, but she is busy calling Gaetano for help and makes him tell her where he is. Both she and the "indestructible" go to that address.

The bride to be comes to the atelier to choose her wedding dress. Nora tries to prevent the others at the workshop from making the same gaffe she did, but they aren't necessarily familiar with the French word. Ugo shows up too, and tries to talk to Nora.

Lele gets a surprise visit at work. Later, he discusses it with Alice. Mariano comes back to work with some baccalà, a sort of salted codfish that lots of people love, but lots of people hate.

Matarazzo and Calagiuri hit a dead end in their first encounter at the University of Bari. Imma finally gets to consult the files associated with Bruno's disappearance fifteen years prior. Diana asks her for a favor she shouldn't have.

Michele has a rough time of it in Master Simone's workshop. It's clear, however, that he has talent. A Knight of Malta comes into the workshop to have a look.

Margherita Hack's talents lay not only in her greatness as a scientist, but also in her remarkable ability to communicate with the general public, and especially young people. She rendered complicated information comprehensible and interesting, using clear and simple examples.

When Luigi finds out he could actually have had some water before his CT scan, he is totally demoralized. He talks about the different kinds of patients to be found in any hospital.

Giuseppe, Cloe, and Nina have a relaxing moment together at home, but then a letter arrives for Giuseppe that challenges the lighthearted atmosphere they had created.

On the last day of school, Manzi goes to say goodbye to his pupils, who have taken the exam for their elementary school diplomas. He has written each of them a letter about how far they have come together and urging them never to give up. Outside the school, the principal wonders who all those people are, coming towards the school.

Camilla has to go down to the Carabinieri (police) headquarters. She tries to call Gaetano, to no avail. At the police station, she runs into the administrator of Dora's villa.

Nora manages to talk to Roberto for a moment to make sure he goes ahead with the divorce. She meets some potential new clients. Ugo is oblivious to these events and is busy buying flowers for Nora.

Giulio shows up early to the house to find out how things went between Lele and Irene. Lele gets teased by just about everyone about his "wild night." At the clinic, the woman who had accused Mariano of molesting her shows up again. This time it is Lele who has to deal with her.

Some years have passed, and Michele's widowed mother has had some difficult decisions to make regarding her children. One of these is to send 12-year-old Michele to Milan to be an apprentice at the workshop of the well-known artist, Simone Peterzano. Michele has no desire to leave home and family.