Camilla ventures up to Doctor Mattioli's office to see if the nurse is there and to ask him about hallucinations. At the police station, Piccolo is making an effort to make Ferrari like him.

Pasolini talks about his first book of poetry and what he realized about his country when it was published in 1942. He explains why reviewers wouldn't touch it.

The founder of the Jonian Dolphin Conservation describes one of its projects: Ketos, Euro-Mediterranean center of the sea and cetaceans, based in Taranto.

Journalist Annalena Benini introduces us to different writers from different places in Italy, beginning with Rome, where she interviews Chiara Gamberale, a novelist.

Armando begins describing the structure of his book, and talks about how he envisions a kind of journey, beginning in the far reaches of the universe, down to the tiny details of a flower.

At police headquarters, Guida is settling in to work on his puzzles, but someone with a familiar face walks in.

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.

Camilla can't rest until she has reported her suspicions to Berardi, and goes down to the police station before school.

Pasolini talks about the Italian language and how it has been transformed over the years.

The deepest part of the Mediterranean is located between Apulia and Greece. There, conditions are such that there is plenty of food for predators. With the "Researcher for a Day" program, the association gets precious help searching for cetaceans in these waters.

Chiara Gamberale talks about how and where she writes, and how her life has changed now that she has a little girl.

In this segment, describing chapters 3 - 6, we can imagine storms, volcanoes, oceans, and mountains in Armando's photographs.

At the police station the team discusses the case and then they disperse. Lojacono sets up a date with Laura, Palma goes to his new place, Pisanelli goes to spy on his friend the monk, and Ottavia is working late at home.

Imma is troubled, both by seeing Calogiuri again and finding a new dead body. She looks around the apartment and goes to see the seamstress who had found the body.

The detective's mother is not able to provide any useful information to the police. Renzo finds a small object near the front entrance of their apartment building. He also gets a postcard from New York, causing not a little stress to Camilla.