After Imma talks with Andrea's mother, she seeks out Calogiuri and updates him. He tells her about his coming exam for becoming a marshal and about how things have evolved with Maria Luisa.

Imma is home feeling weakened by recent events. Pietro is very supportive and convinces her to take a day off, something she had never done before.

Imma is taking a vacation day, but is she really capable of that? She goes hiking with Pietro but he slowly realizes she has ulterior motives. By chance, they meet up with Ettore Rossetti, the person who originally found the dead body of Domenico Bruno.

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.

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.

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

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.

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

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.

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

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

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...

Calogiuri has become a marshal. At Imma's house, the morning is going fairly normally, when a phone call from Diana comes. It can't be good.

Valentina has begun studying again, and talks to Bea after class. There is a cloud over Imma's office, as she and Calogiuri talk about the case.