Before going to get ready, maestro Fiore encourages the kids to do something all together when the concert is over. Matteo is frightened and Barbara confronts her mother. The evening seems to be full of emotions.

Barbara's mother reaches the theater and finds Barbara welcoming her to tell her all the things she has hidden. The mother wants to go home to talk about it but Barbara decides to stay and listen to the concert.

The concert isn't over yet but Daniele's boyfriend wants to leave since Matteo has already played.

The concert has ended and maestro Fiore, disappointed, feels betrayed by the boys. Everyone is now busy with their own commitments, but Marioni manages to stop Robbo, entrusting him with the task of relaying his words to the others.

Ending this episode, Rosario's parents tell him his birth mother wants to meet him. Marioni relives an important moment from his past.

Barbara and her mother appear decidedly more serene, and the girl seems ready to start over. Meanwhile, at Rosario's house, his parents try to reassure him in anticipation of the meeting with his mother.

Irene becomes furious with Luca when she discovers that he is obsessively following and controlling Marco, while she takes refuge in a fictitious identity to distract herself from her own thoughts. Meanwhile, Barbara arrives at the new school and Sara makes a request with a determined tone.

In class, Barbara proves to be much further ahead than her classmates in the curriculum; for this reason the teacher decides to assign double the homework to all students. Meanwhile, Sara continues her battle, trying to convince Marioni to give her the chance to play.

Matteo and his classmates, during the break, get together to cheer for Sara in the hope that she manages to convince Marioni to let her play with them. Rosario, on the other hand, is agitated and this doesn't escape either the boys or his teacher.

Rosario chooses to avoid the encounter with his mother, so he makes up an excuse and returns to class. Meanwhile, in the lesson, Marioni puts Sara to the test, but she is determined not to give up.

After the auditions, Domenico asks Barbara if he can walk her home, but she refuses. Robbo and Chiara go to eat pizza with their father, who however has to give them bad news and Chiara takes it badly. Matteo, on the other hand, locks himself in his room and won't even let his uncle in.

Between breakfast and preparations, affection emerges but also tensions. Robbo and Chiara's mother tries to reassure her children in the face of a possible separation while Sofia tries to downplay the fact that she put on makeup.

During an orchestra rehearsal, tensions, frustrations and conflicts emerge among the musicians. Between sarcastic comments, misunderstandings and an open confrontation with the conductor, the group is forced to confront the meaning of truly working together as an orchestra.

Rosario is in a bad mood and is isolating himself from the group. Matteo, happy to have stopped by Barbara's, seizes the opportunity to invite the whole company to dinner.

Between moments of daily life and traumatic memories, lightness and reflection intertwine. Matteo organizes an evening with friends, while Domenico has an intimate conversation about music and a love still apparently to be discovered.