Imma has a chat with Manolo about Nunzio, who had worked for him for a time. Later, Imma catches up with Milena and tries to get some more information from her.

Imma and Calogiuri go to see Nunzio Festa's father to find out more about his son. Signor Festa doesn't know a whole lot, but remembers a strange guy Nunzio hung out with sometimes. A certain Manolo is next on their list of people to see.

Imma has to find a new home-health aide for her mother. Diana is on Imma's back about the class reunion. La Macchia shows up at her office in a huff about Calogiuri. But there's also some good news. Lab analyses have resulted in some new evidence.

Imma questions Carmelo, Milena's brother, at the station house. Imma treats him with respect, but in the end decides to keep him in custody and he doesn't react well.

Imma, Valentina, and Pietro discuss the event of the day and whether or not Valentina can go to the concert. Imma goes to talk to La Macchia about Carmine Amoroso.

Imma talks to Milena, without much success, but then she gets a phone call she has to deal with.

Imma and Calogiuri rummage around in Nunzio's room, and Imma sees a photo: Nunzio's girlfriend. So they go to see her next after asking Nunzio's stepmother some questions.

Imma goes to where the dead body of Nunzio Festa had been found. She has to deal with the local Carabinieri marshal, who is a bit of a bully. She and Calogiuri go to see the parents of the deceased.

We begin a new episode, where Valentina is at school, learning about politics and toxic waste.

Imma is back in the office and so is her talkative assistant, Diana. Imma's boss comes in with some papers. Who knows? Now that summer is almost over, maybe Imma will find some time to relax.

Romaniello opens up to Imma and shows his true colors. Imma takes her mom home, but the apartment seems unfamiliar to her with its modern conveniences like a TV, and running water.

Imma calls Romaniello in and tells him her version of the story.

Leila's story identified the killer but can't be used as evidence. Imma and Calogiuri go to the beach club to look for Vaccaro.

Leila can barely open her eyes or speak, but she understands what Imma is asking her, and manages to tell her about what happened to Aida.

Thanks to Imma and her team, Staffieri is arrested. Romaniello goes to Nunzia's house with Imma to ask forgiveness.