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.

Marta confides in Ginevra about Luca's declaration of love. Meanwhile, a bus arrives in town, and, as the passengers are getting off, there's a problem. At the same time, Luca is giving Ada a hard time as she drives him to the bus stop to meet his sister.

To finish up about demonstrative adjectives and pronouns, Daniela gives us some more examples and a summary.

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.

Andromeda tells us about rescuing an old dog who was destined for the dog pound. Now he's a member of the family, but it wasn't easy.

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

Adriano goes to Rome to try and get financing for his project. He is unpleasantly surprised to have to deal with someone he knows very well and with whom he had had a falling out.

Sally shows up at Martino's hideout and wants to know why he is faking his "disappearance." They share some food and some thoughts.

There's some tension between Dante and Eva but they get distracted by Lorenzo who shows up at the restaurant in high spirits. The chief of police, also in high spirits, stops by to report on having caught a corrupt contractor.

Luca has resolved the case, and Marta arrives with Fabrizio to take over from him. But who could have predicted what happened next?