Naples was chosen for the Earth Day Italy celebration. The choice had special meaning in light of the problems Naples has had in the past regarding waste management.

Ninetta is in prison, condemned to death, and things are looking very bleak, indeed. Don't worry though; in the end, love and justice win out, and everyone except the magistrate lives happily ever after.

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.

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.

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.

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.

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.

The boys are becoming friends and Matteo suggests changing the group's name. Marioni thinks about how he would like to act and his imagination takes over. Matteo tells his mom how things are going, but she already knows everything.

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.

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

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.

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.

Domenico Modugno goes to New York City, where he sees his song has taken over. It made history all over the world.

The winner of Sanremo is announced, and the news travels fast. The winning song makes Italians feel optimistic after the terrible war and postwar periods.

The big night arrives and we, along with so many watching him on black and white TV, finally hear the song in Modugno's performance at Sanremo. It was a moment of great pride and optimism for Italy.