Arianna, born and raised in Tuscany, will make panzanella, one of her favorite dishes. The main ingredient is quite humble: stale bread!

At the Olivetti home, it's Christmastime, and there's an air of celebration among the members of the extended family. Karen, who is listening in, is engulfed by feelings of nostalgia for her mother.

A famous TV personality arrives in Ginosa and wants to talk to Peppino of all people. She thinks she has him figured out.

Eva and Dante finally get some time alone at her apartment, now that Lorenzo has gone on a trip to Florence. That's their hope anyway.

Manara is back in the saddle. Raimondi leaves for Rome after a frank conversation with Luca, and another one with Marta. Quattroni has some important information weighing on him, and goes to talk to Manara.

The Siena Cathedral is large, but it was supposed to have become much, much bigger. Alberto Angela tells the fascinating story.

The election results have come out, and they're disappointing. Grazia gives Adriano all her support, and this gives him the hope he needs to push ahead with his dream.

While Martino plays his guitar for Sally, Peppino figures out that three's a crowd and leaves. Ginosa has become a bustling tourist town, and Peppino is back at work as a "tourguide."

Eva and Dante have a little competition going on whose dishes are more popular. Lorenzo shows up having made a decision Eva is none too happy with. A little crisis ensues.

Manara, and Raimondi meet with their chief, Casadio to discuss the case and Manara's status, but the meeting has an unexpected outcome. Meanwhile, the only real suspect is Luca's sister!

Andromeda, a true animal lover, tells us another story of an abandoned animal, this time a very unlucky cat.

Karen continues to do her work for the Americans, spying on Olivetti and the Community Movement. Dalmasso and Mauro are seriously trying to undermine Olivetti's efforts to get elected and to bring him to his knees financially.

Martino, Sally, and Peppino are watching the TV show Missing, where there is some news about where Martino might have been sighted. A very special appeal is made that's very disconcerting for Martino. Peppino is philosophical about the whole thing.

Eva goes to see Armando the mechanic, disguised as Franco's rich cousin. She intimidates him with her fancy language and manages to get the computer back. Franco has to find a job to pay his rent and tuition.

Tiziana is confused because she has no clue that she might be a suspect. Raimondi, who shows up with Rivera, is confused because he doesn't realize Tiziana is Luca's sister. Poor Tiziana!

Alberto Angela explores the Piccolomini Altarpiece with sculptures by Michelangelo, and the beautiful frescoed Piccolomini Library within the walls of the Siena Cathedral

The laboratory team is all excited as they come up with some great new innovations. They need more funding, however, and decide to demonstrate the results directly to the board.

Peppino and Martino watch the TV show, and as Martino's story unfolds, Peppino has pretty much taken center stage and is basking in it. During the interview, he says things Martino is not thrilled about, to say the least.

If the girls thought the mechanic was bad news, they now discover he is extremely bad news. Eva and Lola go to the concert to see Franco's friend perform, but are greeted by a different scene altogether.

The investigation gets going. Luca, officially still off duty, had just come to meet his sister at the bus, but naturally, he can't help getting involved in the case, which causes a bit of confusion on the team. Rosmini comes to examine the victim.

Alberto Angela focuses on one of the floor inlays depicting the story of Siena according to tradition. Siena shares a city symbol with Rome.

The factory in Pozzuoli is a success, but the company has taken financial risks, which may be why Adriano is having nightmares. Dalmasso is closely following Adriano's movements.

Martino has some awkward conversation with Sally. Meanwhile, word about Martino's disappearance has spread all over Italy, and as a result, the TV show Missing has come to town.

Eva goes with Lola to see about getting her car fixed. The head mechanic comes across as shockingly crass, but the assistant is nice and easily fixes the problem with the car. Lola can't help flirting with him.