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.

Domenico Modugno goes to New York City, where he sees his song has taken over. It made history all over the world.

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.

The winner of Sanremo is announced, and the news travels fast. The winning song makes Italians feel optimistic after the terrible war and postwar periods.

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.

The big night arrives and we, along with so many watching him on black and white TV, finally hear the song in Modugno's performance at Sanremo. It was a moment of great pride and optimism for Italy.

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

Mimmo and Franca have a relaxing moment by the sea. Franca has some important news for him.

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.