Berardi is gathering information about the victim. Ferrari identified a report about a missing American girl and Berardi goes to see her sister, who reported it. Meanwhile, Camilla's house has gotten flooded and Renzo is very angry.

A chaotic day in Italian class: Amid grammatical difficulties, unexpected incidents, and group dynamics, tensions, irony, and solidarity intertwine among students and teachers.

Aragona and Romano go around with the photo they had found, asking questions of guys who might recognize him. At one point, a young man comes out of the bar and starts running, pursued by Aragona.

Since the phone records have arrived, Imma must provide explanations to both Vitali and Calogiuri. Both are of the opinion that Imma doesn't trust them.

Gaetano receives a phone call and when it ends, he finds himself obliged to tell Camilla that it was from a journalist he had met in Prague. Back at school, Camilla wants to know more about the centurion, while Renzo is dealing with a problem at his studio.

The students tasked by Marioni to help Matteo create a chat group, and Sara immediately puts her foot in it. At Robbo's house, things are a bit tense and little Chiara is worried about what might happen.

Lojacono and Di Nardo go to speak with Don Michele again, when Mass is over. The priest confirms that he and Angela cared for each other very much but that they didn't have a relationship. He is being rather defensive, but Lojacono gets him to agree to cooperate.

Imma is talking with Mottola to find any connections with Don Mariano's death. He is accusing the deceased of not having helped him, and at a certain point, she says: Ma si rende conto? (but do you have any idea?) For more on this expression see our lesson. Back home, Imma is irritable, but she can't talk to her daughter about the real reasons she is upset.

After two years, Camilla and Gaetano meet up again at the scene where a woman had been found dead. They fall into their usual habit of discussing the crime, as if not a day had passed.

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

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.

Imma goes to the hospital and can't help looking at Pietro's phone while he is sleeping. Back at the office, Diana is in tears because her husband wants a separation.

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.

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.

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.