Lojacono and DA Piras arrive at the scene of the crime and meet Don Michele. The next morning Lojacono goes with Di Nardo to talk to the kids who had been in the parish hall with the victim.

Sofia goes up to the roof to practice her cello, but ends up singing a song (in English). When Maestro Marioni gets home from an amorous encounter, he watches a video where Matteo's previous violin teacher introduces him and explains his special situation.

Plenty of English words have snuck into the Italian vocabulary connected with AI. "Learning" is one of these terms and is a component of various categories of artificial intelligence. Marika explains it.

Lojacono is on a video call with Marina, his daughter, and her friend Chanel, when he gets a phone call from headquarters and goes to a new crime scene, to see what's what.

Sofia is practicing cello when her brother asks her for a favor. His girlfriend Ilaria comments on Sofia's weight.

By now, we've all heard about artificial intelligence, but how to talk about it in Italian? Marika tells us what we need to know.

In a church basement, a priest leads some young people in singing to celebrate the eighty-first birthday of Mariolina. Caterina goes to find Angela, who is late with the cake.

René Arnoux praises the characteristics of the Testarossa, maintaining that it's easy to drive, even for women. He goes on to talk about the cars built by Auto Bianchi.

Sara is home at dinner arguing with her mother who finds her unbearable. Sara's phone rings with an audio cue indicating the caller. Robbo and his sister Chiara are going home on the tram when, out the window, they see someone they think they recognize.

Barbara is practicing piano in the presence of her mother, who tries to encourage her. Little by little Barbara manages to focus on the music, and perhaps not only the music. Another pianist is playing the same piece in a music store. He might be there because he has no piano at home.

Tozeur is a city in southwestern Tunisia, near the Algerian border. The train line referred to in the song was originally built for the king in the early 1900s when Tunisia was still a French protectorate. More info about the song here.

Matteo is at home with his uncle, doing a tricky jigsaw puzzle and ready for dinner. Even though it is clear to Matteo that his uncle is gay, his uncle is very uncomfortable talking about it. Matteo lets his uncle know that there is a girl he likes.

A colleague of Marioni's chides him for having treated Matteo as he did. He tries to justify his actions, and then goes to have a word with Rosario, a percussion student.

Marioni puts Matteo to the test, asking him to play first violin in the Brahms symphony, together with the entire orchestra. Later, Domenico tells him about someone who had crumbled under Marioni's harsh treatment.

Matteo is having a violin lesson when Marioni passes by in the hall and hears him. Matteo's lesson ends early and he is about to learn more about the orchestra conductor everyone thinks of as il bastardo (the bastard).