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.

Lojacono pursues and arrests Donato Cuocolo. After attempting to flee and threatening the officers with a brick, he is stopped by Alex Di Nardo. At the police station, the investigators put him under pressure: he risks many years in prison, but he can face a lighter charge if he cooperates.

Gaetano and Roberta argue heatedly about the wedding preparations and family responsibilities; the argument angers Roberta, who decides to leave. Meanwhile, Camilla asks Gaetano for help and, thanks to a photograph, a young man is connected to the woman found murdered. For this reason, Gaetano wants to speak with Anna to get more information and deepen the investigation.

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.

The police interrogate Cuocolo after the arrest and he tells of having met Lara on the Mergellina waterfront and of having had a casual relationship with her. However, he denies being the father of the child and claims to have an alibi for the night of the murder, suggesting that the culprit could be someone in love with her who was not reciprocated.

Camilla needs to speak to Anna and phones her, only to find out that Anna had just forced the briefcase open at Quantuque's place. Meanwhile, the investigators interrogate a witness who points to a possible suspect.

Rosario and his mother share a secret and touching moment in the school that the boy attends, between music and complicity. At Matteo's house, instead, tensions emerge between uncle and nephew, fueled by emotional conflicts and misunderstandings.

The investigation into Lara's death continues, while the police conclude the interrogation of the suspect. Meanwhile Aragona, in order to go out with Irina, promises her that he will find the culprit.

Gaetano and Roberta go through a story made of everyday life and tension, in which arguments and reconciliations follow one another. Meanwhile Camilla discusses with Anna the suspicion that Quantunque might be involved in shady business.

An everyday conversation brings to light small obsessions, embarrassments and emotional difficulties. Between jokes about recycling and seemingly insignificant gestures, deeper tensions emerge: the struggle to ask for help, the need for connection and a subtle loneliness.

At the police station, lawyer Nubila shows up to offer his financial support for Lara's daughter's medical care, declaring that he has no financial difficulties. During the meeting, he receives a phone call from his wife, who asks for updates on Lara's husband, currently among the main suspects.

When Gaetano realizes that the briefcase found by Anna and Camilla has mysteriously disappeared, the commissioner becomes furiously angry. During the investigation, it emerges from Mr. Ventruti that Quantunque knew Flora and was protecting her.

During the meeting with his mother, Rosario discovers that she wants to move to Florence and come back to live with him. The news upsets him, because he has been living with his foster family for a long time and fears that this sudden change could turn his life upside down.

Lojacono says goodbye to his daughter at the ferry when he gets a phone call from Laura. Later, he and Romano check out The Blue Moon, where Nazar Petrovic works as a bouncer. They convince him to answer some questions at the police car. Petrovic is worried about losing his job.

Ventruti recounts that at a certain point, Flora had lost her sunny outlook. He also mentions the name of a man with a criminal record. Meanwhile, at school, a student protest breaks out against a dress code, which leads to the granting of an assembly to discuss it.