Marioni is summoned by the principal because he received a warning from Giacomo's parents who hold him responsible for what happened to their son. During rehearsals, the maestro discovers someone who shouldn't be in the hall.

Sara offers to walk Chiara home when Marioni discovers her, and the girl tells little Chiara that she hasn't always been blind. There are things she remembers and things she misses. At the end of rehearsal, Marioni criticizes the orchestra.

Matteo stays to practice alone with Marioni, who encourages him to play without sheet music and follow his commands, but Matteo mentions Giacomo and the lesson ends.

Matteo is about to leave the rehearsals with Marioni after their argument. Irene arrives in the audience, having learned about the warning and wants to be close to Luca. He asks her to stay with him but she doesn't seem convinced.

After being kicked out of Marioni's class, Matteo returns home where his uncle is waiting to introduce him to Lorenzo. Matteo goes out with Domenico who tells him something about Marioni. Meanwhile, something has happened in the group chat.

Maestro Fiore has arrived and introduces himself to the orchestra students. He says he is just like them and wants to feel their music and their energy.

Matteo and other friends show up at Barbara's house, but she hasn't returned yet, so they talk a bit with her mother about the concert without revealing what happened to her daughter. Barbara doesn't take the visit well and asks the boys to leave.

Barbara didn't have the courage to tell her mother that she was kicked out of the orchestra, and the girl starts telling a lot of lies that make her feel increasingly lonely.

Marioni watches as a spectator the lesson that maestro Fiore gives to the orchestra students and doesn't approve of his method. At the end of the lesson, Matteo's uncle waits for him to take him to a place where he doesn't want to go.

Clelia and Roberto, Rosario's foster parents, discuss the possibility of arranging a meeting between the biological mother and the boy. Daniele talks to Matteo to calm him down and help him feel less alone after his mother's death.

Preparations are underway for the big concert with maestro Fiore. Domenico accompanies Matteo to choose a special jacket while Clelia says she's excited to see Rosario dressed up like a grown-up.

We are at the evening of the concert and nervousness among the kids and not only them, is making itself felt. While the final preparations are in full swing, Barbara decides to do the right thing. Marioni instead continues to harbor strong doubts about maestro Fiore.

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.