The general hands De Sica a letter from Goebbels himself but since De Sica can't read German, it is translated for him ad alta voce (out loud). It's an invitation to Venice, which De Sica does not want to accept.

Suor Helga is good at reading Giuseppe Moscati's moods and senses something is wrong. Giuseppe knows Elena is suffering on his account but at the same time, he can't help being dedicated to his patients over everything else. He writes Elena a letter and takes it to her house.

This segment recounts how Aldo De Rosa and Margherita met in a park in Florence as kids and later married. Aldo supported her in her scientific work throughout their marriage, which lasted over seventy years.

Caravaggio is a TV mini-series based on the life of the Italian painter Michelangelo Merisi da Caravaggio. It opens in 1577 when the painter was 5 years old. The plague had just hit and people who were still alive were burning their household possessions.

Vittorio De Sica put himself on the line in order to save his cast and crew, and the film he was making. This final segment describes how he managed to complete La porta del cielo (The Gates of Heaven). The song we hear at the end of this documentary is very famous and was sung by Vittorio De Sica himself for the movie Gli uomini, che mascalzoni... in which he acted. Listen to the entire song here.

Nina goes back home to get some of her things and finds Cloe. She doesn't hide her resentment, but the two women end up having a conversation. Elena is clearly stufa (fed up) with Giuseppe never having time for her and she takes action.

Aldo and Margherita stuck together. He might get bored at her lectures, but he would always be there. They both shared a love for sports and motocycles.

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.

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.

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.

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.

As her condition worsens, Cloe tells Giuseppe about the child she had abandoned, and makes him promise to find him.

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.

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.

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.