Camilla goes to see Ilenia, who is home with her mother, and they discuss the situation. At home, it looks like Camilla's mother has an announcement to make, because she invited the family for a lasagna dinner.

The plot thickens, as Berardi calls in Professor Predolin's neighbor to ask her some questions. At home, Camilla's mother has an announcement to make, hoping to surprise everyone.

Sammy's classmates are trying to get the stolen videocamera back, by questionable means. Camilla gets involved but has to ask Renzo to pick up Livietta at dance class. Berardi wants to talk to the gutter punks.

Renzo goes to pick up Livietta at dance and has a conversation with Pamela. Camilla goes with her students to get the videocamera back from the gutter punks.

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

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

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.

Torre, Berardi, and Ferrari go to the farmhouse where they find some evidence relative to the murder. Camilla admits to her mother that she is a bit jealous of Renzo being out to dinner again.

By chance, Renzo's driver goes past the place where Pamela is dancing. What will he decide to do?

The gutter punks are at the police station, but don't want to talk, so Berardi lays out his idea of what happened. At a certain point, Camilla shows up, too.

Berardi, the DA, and Torre, along with some of the gutter punks, visit Scortichini at the hospital. Words are exchanged, and Berardi manages to get some answers. Back home, it is time for the birthday party, where Renzo has to make balloon animals for the kids.

We begin a new episode featuring Camilla the schoolteacher who likes sleuthing, in the middle of the night, when she hears a noise upstairs. Going back to sleep doesn't seem to be an option.

Camilla is still confused in the morning, and Renzo has her read the information sheet about the sleeping pills she is taking. Berardi, Torre, and Ferrari are at work going to a new crime scene.

Camilla is still upset about what she thinks she saw during the night and goes to see Gaetano. Renzo goes to pick up Livietta at dance and can't help conjuring up the memory of the merengue teacher he had been attracted to.

Livietta tells Camilla about the scene where Giulio used a word he shouldn't have and was scolded by Renzo. Camilla is still seeing the mouse. The coroner reconstructs the murder for Berardi.