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

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.

Domenico postpones his appointment with Gloria, who is hurt and fears something is wrong. Matteo tries to make peace with his uncle to confess that he has invited some friends to dinner, while Sara finds herself dealing with a disappointment that puts her to an emotional test.

Marioni interrupts a lesson by his colleague Guido and harshly confronts Nathan, ordering him to show up for rehearsals with the others. The tensions center around Sara, causing conflicts to explode in the group and bringing personal vulnerabilities to light.

The group gets together for an evening among friends, marked however by some absences. Between relationships that are ending and unexpected revelations, the group still tries to stay united. A final toast celebrates a friendship that endures, despite everything.

Through song, Matteo, rejected by Barbara, who chooses to remain just a friend, expresses his pain. Sofia's unconfessed feelings also emerge, as she loves Matteo in silence.

Rosario is troubled and, returning home, confides to his foster parents that he will meet his mother in his own way, alone. Meanwhile, Sofia and her brother exchange sharp remarks, while Marioni relives memories from the past, and a sudden bicycle accident transforms a quiet evening into a moment of great apprehension.

A song about pain and heartbreak serves as background to the students who receive news of maestro Marioni's absence, due to a minor accident. The suspension of orchestra rehearsals generates different reactions among the young people, between relief, expectations for an upcoming concert and reflections on shared work.

In this moment of confrontation, Irene and Luca face the consequences of what happened, while within the group of students tension grows between some of them. Between misunderstandings, sense of responsibility and need for closeness, emotional conflicts and fragments of daily life alternate.

Marioni is forced to give up conducting the concert due to his injury, while Rosario receives an affectionate visit from his mother, between tenderness and a touch of embarrassment. In a record shop, unexpected confidences emerge and, once again, between music and complicity, the young people confront love and friendship.

Rosario finally meets his mother during a visit. The two speak with affection, but also with a certain embarrassment about Antonia's difficult past, who however tells him she is feeling better and has reduced her medication. The woman then tries to learn more about her son's life, asking him about school and his friends. Meanwhile, Barbara is scolded by her mother because she is always glued to her phone.