The Republic of Siena ends in the 16th century and power goes to Florence, where we go next, to see some of the architectural wonders there.

Bettina gives Camilla something fresh to put on and gets the book Camilla came for. Small talk between Gaetano and Camilla leads to some interesting hypotheses about the case he is working on.

Eva's friends see what an expert she is in certain matters and express their curiosity. But they have work to do and there's no time to waste.

Franco is crazy about spices. He draws us into his world, the world of the 7 (not just 5) senses. In his stream of consciousness style, he prepares us for traveling the four corners of the earth to discover all the tastes and fragrances awaiting us.

After conceding their little bet, Camilla involves her daughter in a "phony" phone call. There's an incident at Bettina's gallery, where Camilla has gone to pick up a book.

It's time for the famous dinner with Franco's parents and everyone's a bit nervous, understandably. Eva's advice to Franco is put to the test.

Franco Calafatti shows us his marvelous shop filled with spices. He brings us into his world, his special relationship with the spices, from traveling the world in search of the plants, to the harvesting, to the sorting, to the crushing.

Vanda has a hard time accepting what seems obvious to Camilla. Meanwhile she gets a reality check in the form of a phone call. She's lucky to have Camilla as a friend.

If the name Olivetti is still known today, it's because Adriano Olivetti made an important contribution to the industry of electronics, but also to the ethics of industry in general.

Franco and Lola try to practice their lines for the dinner with his parents, but it's tough. Gina has some news for Eva.

Alberto Angela shows us a volume from 1554 that bears witness to one of the most dramatic moments in Sienese history. We then go on to the beautiful city of Pienza.

Camilla really is a good friend to Vanda. Vanda, on the other hand, is a bit naive. They have a heart-to-heart talk.

Adriano is on his way to Switzerland. Before he gets on the train, he exchanges a solemn few words with someone who used to be a friend.

Arianna finally finishes making panzanella [Tuscan bread salad], which she then enjoys eating while sitting outside under the Tuscan sun.

Eva is having so much trouble giving her son a bit of time to stew. Malù tries to keep things on an even keel.

Bettina has tea with Camilla and invites her to a gallery event. Camilla then gets a phone call that requires her attention and she rushes off.

Mauro gets a political slap in the face. Olivetti is undergoing huge financial challenges and risks going under but Adriano doesn't lose hope.

The girls carry out the first part of their plan. They see that the mechanic has plenty of work and plenty of money.

How could accounting books be so fascinating? The ones from the State Archives in Siena are veritable works of art and tell some interesting stories.

Little Livia is in the backseat as her mom drives another teacher home. She listens, she opens her mouth when she shouldn't, she observes. She draws her conclusions and then bets on them with her mom.

Karen sends a clear message to Adriano and they meet. She has something important to tell him.

Arianna prepares the ingredients for the panzanella and stresses that this recipe is easily adaptable to personal tastes. You can't really go wrong. It's also a great recipe for anyone to make while vacationing in Italy, since it's so simple.

Lorenzo is seriously upset with his mother. He wants to be left alone, but Eva has a hard time with that. On a different front, Eva goes to see Augusto for advice and help regarding the mechanic.

The protest at school continues, and there is tension among the teachers and the principal. At home, Renzo has a first encounter with the housekeeper. He finds her a bit odd.