In search of her brother Massimo, who had left home years earlier and whom she had lost track of, Mitzi meets Elisa, a drug addict and Massimo's ex-girlfriend. Elisa asks Mitzi for money for her brother, and the boy complies, in the hope of finally seeing Massimo again. Meanwhile Sara, after yet another quarrel with her mother, leaves home, risking getting into trouble.

Debora is in love with Luca Carboni and, taking advantage of the fact that the singer has to perform in the city, she goes to his agency where she makes friends with Sergio, a member of her staff, who promises to introduce her to him. When the day of the concert arrives, Debora is punished by her parents, but she decides to run away to meet Luca. She will discover at her expense that the promises she had received were only lies…

Mitzi discovers that her brother Massimo works in a circus and that he is in the city, so she joins him and notices that he seems to have settled down and is about to have a child with Margherita. He takes him home to his father, but a quarrel arises between the two. Meanwhile, DJ Felix makes fun of the boys on the wall, who decide to find out what his true identity is.

Franz faces a test of courage that leads him to become "one of the wall". Christian goes to the stadium and argues with a fan; the latter chases him with the motorbike and, taking advantage of his absence, breaks into the shop of Cristian's mother, smashing everything. Sara is selected for a dance recital by the étoile Madame Corti, but she is warned by her mother about the behavior of the star.

Johnny's mother is increasingly busy, and leaves her two little and pestiferous sons Timmi and Tommi with her grandfather. Meanwhile Elena is very successful as a model for a mineral water advertisement and is pushed by her father to leave for New York and make a career. However, the surrounding environment is not the best.

Giuliana babysits for a little girl, but before the landlords go out to spend the evening out, the couple's son shows up to ask her for money. Sent away in no uncertain terms, the boy returns at night and surprises Giuliana in her sleep by laying his hands on her. Due to the sudden return of his father and stepmother, he has to leave quickly, but he has time to order Giuliana to keep quiet.

As the kids enter the classroom, someone holes up in the school bathroom. Meanwhile Johnny takes blood tests and soon after arrives late to school. The janitor, after seeing him go by, finds a syringe in the bathroom and suspects him. Furthermore, the gymnastics teacher punishes him for being late and the boy, due to the blood sample, faints in front of him, allowing him to see the holes in his arm.

Professor Testa is accused of harassment by Valeria, one of his students. Johnny, however, defends the professor in front of the principal, and then calls an assembly with the other boys, but at the crucial moment he remains the only one to expose himself, while one of his companions accuses him of not having been authorized to be their spokesperson.

Christian realizes he can't feel his legs anymore and doesn't want to see Stefania anymore who, suffocated by guilt, leaves Ludovico. Meanwhile Mitzi, to support himself in his new home, works in a bar, but Laura, one of his academy classmates, offers him to take over a share in a graphics studio by paying a large sum of money.

Christian discovers that his mother can't pay for the shop's upgrading work because she spent everything and Simone is made fun of by friends who start making jokes about those who have the money but selfishly don't help anyone. Simone then secretly sells her car to lend the money to Christian, pretending it is a loan from her father.

Gigi has a small motorcycle accident that prevents him from entering school with the notes for the math test. To save his class is Stefano, a fifth grade boy who approaches Debora. When Gigi finds out about this, he tries to warn her about her. A few days later his motorbike will be stolen and seeing his keychain on Stefano, Gigi attacks him.

Giuliana leaves to go to her cousin just as Franz is in crisis because he fears that his parents want to separate. Franz finds comfort in Sara who calls all her friends together to accompany him to her parents. After a quiet dinner, in which Franz believes he has misunderstood everything, his father and mother inform him that they intend to separate.

Mitzi and Elena discover that an elderly opera singer, Esmeralda Serpieri, lives upstairs, alone and with little money. The boys decide to help her, until they find out that she has an enforceable eviction and that the only one who can do anything for her is a mysterious admirer. Meanwhile Sahid is about to leave for Monaco with his brother, but he changes his mind because he is in love with Debora.