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.

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.

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.

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

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.

During the orchestra rehearsal, a player makes a mistake and Marioni, the conductor, doesn't hesitate to press the point, in his usual cruel manner, that an orchestra is not a democracy.

Marioni tells the orchestra what he has in mind to help Matteo get integrated into the orchestra. The students involved begin to get organized by sharing their phone numbers.

Marioni asks Sara for help with Matteo. In the evening, Matteo is out walking with his uncle who is being a bit over-protective.

The kids who were involved by Marioni to help Matteo create a chat, and Sara immediately makes a bad impression. At Robbo's house, things seem a bit tense, and little Chiara is worried.

A chaotic day in an Italian classroom: amid grammatical difficulties, unexpected incidents, and group dynamics, tensions, irony, and solidarity intertwine between students and teachers.

Sara is about to accompany Matteo on a tour of the facility when they run into Gigi, who asks for explanations about the girl's behavior. While they continue the tour, Marioni calls Matteo for an early violin lesson.

Maestro Marioni asks Matteo what he wants to do with his life in music and is not satisfied with the answer he receives. The teacher, with his passionate tone, urges Matteo and encourages him not only to try but to do something more.

After the heated confrontation with Marioni, Matteo runs away and goes to the director who shows understanding and suggests that the boy no longer be part of the orchestra. Matteo says he will manage and find another way to vent.

While Barbara is recommended a book about music that she might like, Matteo is encouraged to not follow the rules and keep laughing.