At school, Alex and Aiello are arguing because Aiello wants Alex to delete some photos from his phone, but he doesn't want to. With Camilla's arrival, the argument calms down, but the teacher would like to understand why Aiello got so upset.

Both Lojacono with Laura and Martone with Alex are living their stories in secret. The feelings seem sincere and the difficulties real. In the church, Don Michele asks the faithful to make an effort to help the investigation into Angela's death.

Sara is about to accompany Matteo on a tour of the facility when they run into Gigi, who asks for explanations about the girl's behavior. While they continue the tour, Marioni calls Matteo for an early violin lesson.

While the investigations continue, Renzo has an unpleasant surprise that undermines his peace of mind as a husband, and even a competition he must participate in doesn't give him peace.

Alex has a conversation with his father, who hopes for his daughter a future that will never actually happen. Meanwhile, Pisanelli is increasingly determined to catch the serial killer.

A chaotic day in an Italian classroom: amid grammatical difficulties, unexpected incidents, and group dynamics, tensions, irony, and solidarity intertwine between students and teachers.

Berardi is gathering information about the victim who was found when Camilla was taking the kids on a field trip. While trying to understand something, Ferrari reports the disappearance of a girl. Meanwhile, Camilla's house is flooded and Renzo is very angry.

Aragona and Romano are trying to figure out who Jamal is so they go looking for him and ask a few people if they know him. At one point a boy comes out of the bar and starts running chased by Aragon.

Gaetano receives a phone call and when it ends, he finds himself forced to tell Camilla that it's from a journalist he met in Prague. Back at school, Camilla wants to know more about the centurion, while Renzo is dealing with a tragedy.

Lojacono and Di Nardo go to church to be able to talk again with Don Michele. The priest confirms that he and Angela loved each other very much, but that they had no history. Lojacono only wants Don Michele to collaborate.

Camilla and Gaetano meet again after two years at the place where a girl was found dead. The way they handle things, it seems like not a day has passed. Renzo returns home and finds Andreina searching for something.

A parishioner shows up at police headquarters with photos she thinks are compromising. Lojacono and Alex then go to question the volunteers as to whether the insinuations could carry any weight.

Berardi is back in the Rome office and there's a celebration. But since there's also a dead person at the Colosseum, the celebration comes to an abrupt end and Berardi and Torre rush to the scene of the crime. The class trip also comes to an abrupt end.

Lojacono surprises Laura at dinnertime. Di Nardo has dinner with Rosaria, who has an invitation for her. At the dinner table, Giorgia has something to discuss with Francesco.

Camilla and her class are on a field trip to the theater and she is trying to hand out the tickets, but lots is happening outside, involving the other teacher, an out-of-work actor, the students, some picture-taking, and some trouble down the street.