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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

The Siena Cathedral is one of the most notable examples of Italian Romanesque-Gothic cathedrals, and is well worth a visit, for both the beauty of the exterior and the unique marble artwork on the interior.

This song, written by Ivano Fossati and sung by Loredana Bertè with her scratchy voice, has never lost its popularity with Italians.