Imma goes home after a long day to find Pietro and Valentina in the kitchen. She relaxes on the sofa only to catch sight of a picture of her as a girl...

Domenico Bruno tells Imma the whole story of how his brother died.

Imma's excellent memory helps her figure out some details of the murder, as she talks to the brother from Argentina.

Lojacono and Aragona go to see the husband of the ex-door person. He confirms the fight between Giacomo Scognamiglio and Teresa's husband. Back at headquarters, Romano objects to always having to stay there instead of going out as Lojacono and Aragona do.

Pietro seems to have a great time at the dinner party, while Imma is focused on work and on finding the right moment to talk to her hostess.

Imma and Pietro go to dinner at the prefect's and play with some Latin proverbs. One of these gives Imma an idea about the case.

Diana has some information for Imma, some of it urgent. Imma calls on Calogiuri even though he is about to take his exam.

There is a new case for the team at Pizzofalcone and Lojacono and Aragona go to the scene of the crime. A young cleaning woman was found dead in the basement of an apartment building.

Valentina goes to see her grandmother, who may have dementia but can still offer good advice. Imma discovers that her husband plays soccer with the prefect, Moliterni's husband.

Lojacono hasn't seen his daughter in a year, and would like to catch up. She has something to tell him, but doesn't say a whole lot more. Meanwhile, another crime has been committed in the city.

Imma interviews Giulio Bruno, the son of the murdered architect, Domenico. Giulio seems forthcoming about what happened with his uncle in Argentina.

Penelope gets some news she shares with Valentina. Imma is upset about Calogiuri's leaving, but throws herself into her work, confronting Bruno's son about his project in Vallone della Femmina.

Dottoressa Piras and Lojacono continue their conversation in the car in front of Lojacono's building. They address some serious topics that have nothing to do with the case they have just solved.

After a long work day, everyone on the team goes home to a different situation, and it isn't always a happy one.

Imma can't help herself and goes to the office. Diana gives her some important information to mull over. The young people are having a little party for Calogiuri who is leaving for his exam in Rome the next day.