Luisella Giulicchi, the system manager for the ESA Copernicus Sentinel six mission, explains what an exoplanet is. Two young researchers do a simple experiment to show us how infrared rays work.

During the lockdown of 2020, cities were deserted. The urban landscape changed drastically and some strange things happened, too.

Nora goes to see Roberto to unburden herself and get some comfort. She had been counting on the money from the wedding to pay for a new roof, but Ugo had spent it on a cruise for Melody.

Despite huge obstacles, Oriana finally manages to interview Ayatollah Khomeini. The controversial encounter contributed to making Oriana Fallaci worldwide famous.

Under pressure from Renzo, Camilla tries calling Francesca one last time, and this time, she answers. They arrange a meeting so Bibì can go back to her owner.

Imma is not exactly enjoying herself at the party, but she does notice something interesting, and possibly pertinent to her case. She encounters the deskmate who replaced Diana way back then.

A stork on its way north stops to rest on the top of the chimney at Armando's house, but it causes the fireplace some breathing problems. Pimpa and her friends have a new problem to solve, with the help of Pippi the stork.

We visit a famous monastery near Lecce, which got its name from the Olivetan monks who lived there. They had come from another famous monastery in the province of Siena, the Abbey of Monte Oliveto Maggiore. Alberto Angela describes the symbolism of the beautiful, mid-sixteenth century canopy well in the cloister. Today, the monastery houses the University of Salento.

Luisella Giulicchi, manager of the European Space Agency ESA, answers questions about light, infrared rays, and lightyears.

During the pandemic, children keep being born, which is a a joyous event. At the same time, people, especially the elderly, die with no loved ones around, no closure, no goodbyes. The doctors and nurses worry constantly about having been careful enough with their PPE.

Fabiana greets her guests. Melody has gone off by herself to cry. Ugo finally confesses to Nora what he has done.

Oriana tells Lisa about finishing her book, Un uomo (a man), and promoting it, especially in non-democratic countries. She travels to Iran in 1979 to interview the new leader, Ayatollah Khomeini, and to talk to someone who wants to translate her book.

Berardi isn't able to be honest with his boss about what leads to follow on the case. The jeweler shows up at the police station wanting his valuable pieces back. There's a little incident with Bibì at school. Berardi goes to see a guy he knows, who might be able to find out something about the jewelry.

Imma comes home. Pietro is practicing his sax. Valentina shows up in a rage. Then Imma is reminded of the class reunion dinner... the last thing she wanted to do.

In addition to its Baroque art and architecture, Lecce has a rich ancient history, underscored by a Roman amphitheater, in part still standing, right in the middle of the city. But Lecce's history goes even further back than that.