Both Camilla and Gaetano, for different reasons, arrived at a similar conclusion about the earring. Piccolo and Ferrari have a job to do, but they also do some personal talking.

Mattioli's widow recounts the story, told through her eyes, of the murder, including what she heard in the stairwell of the building.

The case has been solved and it's the last day of school for Camilla and her students. Who will flunk and who will be promoted?

Torre is cooking in the archives! Berardi shows up and they talk. Later, Berardi meets up with Camilla to fill her in on the case.

Camilla and Gaetano still have some loose ends to tie up, but they are not thinking of the same loose ends. He finally manages to tell her he is leaving for a new job.

Gaetano is leaving, ready to board his plane, but he clearly wishes Camilla would show up. Meanwhile, it is Potti's birthday and celebrations are going on at home.

At home, there is the usual rush to get ready for school and work. Camilla is running late and is not available to answer a burning question her husband and daughter have for her.

Camilla and her class are on a field trip to the theater and she is trying to hand out the tickets, but lots is happening outside, involving the other teacher, an out-of-work actor, the students, some picture-taking, and some trouble down the street.

Berardi is back in the Rome office and there's a celebration. But since there's also a dead person at the Colosseum, the celebration comes to an abrupt end and Berardi and Torre rush to the scene of the crime. The class trip also comes to an abrupt end.

After two years, Camilla and Gaetano meet up again at the scene where a woman had been found dead. They fall into their usual habit of discussing the crime, as if not a day had passed.

Antonio is a teacher and we find him at Somma Vesuviana, on the slopes of Vesuvius, near Naples. For some time he has tending a small garden, where he grows vegetables, which he sees as miracles of the earth, with seeds developing into fruits.

For many Italians, putting up a presepe (manger scene or crèche) at Christmas time is as, if not more important than putting up a Christmas tree. Antonio talks about the traditions concerning its origins, two thousand and eleven years ago.

Antonio explains that the Italian tradition of constructing a nativity scene during the Christmas season had it origins in the thirteenth century, when Saint Francis of Assisi organized the first live re-enactment of the birth of Jesus. It soon spread to all of Italy, but above all to the Kingdom of Naples, where everyone got involved, from the poorest family to the King himself.

An interview with Cipriano Moneta, the national manager of Xing Italy, a social network for professionals. He tells us why Xing is much more useful than Facebook or Twitter.

Interview with Cipriano Moneta, Italian Country Manager of XING. Moneta talks about his work on this start-up social network, and why it will succeed. Moneta worked for many years in recruitment and believes XING will be extremely useful for job hunters.