After Valentina's latest cooking video, she has a video call with a young viewer who suggests a local cooking class. Pietro has a conversation with his sax teacher. Imma has an unexpected visitor as she is having something to drink in piazza.

The Halloween party has come and gone, and it's time to focus on other things, like school, including oral quizzes. L'interrogazione is the word for the teacher asking students questions about what they have learned in class and what they have studied at home. There are students who want to be called on and others who try to hide, and pray they won't be called on.

Berardi and Torre pay a visit to the restaurant where it all started. They try to jog the owner's memory by pointing out some problems with the kitchen. At Camilla's house, Giulio hasn't been the perfect guest, to say the least.

Melody and Iside are discussing the situation, but the others are worried about getting back to work. As Nora tries on her dress, Ugo shows up.

Lojacono and the others are at the scene of the crime trying to figure out how the murders happened. Back at headquarters, Palma receives more information about the family of the two victims. Later, Lojacono runs into Chanel on the street.

Imma manages to talk to Donata's mother to find out what had really happened between her and Lombardi so many years before.

Michele has been abandoned at the bottom of the shaft, along with lots of rats. Will anyone save him?

There are some surprises at the Halloween party. Alice and Max have an interesting conversation about Ivan and Chiara. Melissa is up to her usual tricks. Joy is waiting for Stefano to show up.

Camilla discusses Martina's case with Gaetano, and the next day, participates in the viewing of the famous videocassette from Sammy's birthday party.

Dino's mother is not at all happy to see him go off with Melody in her car. Iside confronts them, they argue, and then she decides to follow them to find out where they go.

Lojacono discovers a second dead body at the scene of the crime. The coroner arrives and Lojacono and the DA go to talk to the kid who discovered the body.

Imma goes to a televised political debate Lombardi is participating in. On a break, she goes to his dressing room to question him further about the new information she has in hand.

Michele is learning how to use his sword like a true knight when he is challenged by a fellow knight. Things don't end well and Michele is once again facing arrest.

It's time for the Halloween party. Joy and Alice show up together, Max is by himself, clearly down in the dumps, and both Melissa and Joy are wondering why Stefano is absent.

Camilla gets home only to find both Martina and Giulio there, too. Camilla encourages Martina to go to the police.