As he had promised Cloe, Giuseppe continues to look for her little boy, with little success. Some children he treats aren't really ill, they're just not getting enough to eat. Italy enters the war. Some doctors go to the front, others stay behind.

Renzo and Camilla discuss this new development. He is very suspicious and worried. Camilla, as usual, wants to handle things on her own. She goes down to police headquarters the next day.

Finally, Ugo gets Nora alone and they are able to talk. Until the talking breaks down, that is. Once again Roberto, their lawyer, finds himself in the middle of things.

Ciccio and Libero are watching TV when Alberto comes to ask about his tee shirt, and the doorbell rings. It's someone about the dog. Lele goes to Irene's place to talk to her.

Michele manages to find a home for his painting, and receives something in exchange. Still at Maestro Simone's workshop, he grows up into a man and ends up trying to defend a young apprentice from being abused as he had been.

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.