At the police station, there seems to be a match for the murderer. In class, Camilla does the roll call and discovers Luca Foglietti is absent once again. She goes to the window to investigate.

Grandpa Libero is having a rough day with his family. Ciccio is zoned out playing video games. Alberto comes home talking about his exam, and Maria comes home without Annuccia.

Tataranni and Calogiuri talk to the owners of the dairy farm where the victim's limb had been found. On the way back, Calogiuri gets a good idea.

This time Mirò and his friends want to make music. Magic Box furnishes some everyday objects and the friends need to figure out how to transform them into musical instruments.

The Great Cave of the Wind in Frasassi is a natural wonder, but it also bears witness to the passing of time. Speologists are still exploring it and discovering new wonders.

Dafne is at a party with her friend Viola, and a guy asks her to dance.

Lorenzo wants to leave, but Nora and Ugo talk to him about love. Gisela is waiting for the police, who aren't showing up. Meanwhile, Maya has a surprise for everyone.

Mimmo begins telling about his honeymoon, which was very short and simple and included his friends Riccardo and Rosi. A flashback takes us to the Modugno living room in Rome, where they all watch a little black and white TV where the famous presenter Mike Bongiorno is hosting a game show. Conversation turns to work and they talk about the future.

The witnesses questioned by Torre furnished some important information about the murder. Gaetano meets the new public prosecutor who is not what he expected. Renzo makes the acquaintance of Livietta's substitute ballet instructor.

Grandpa Libero goes over to the university with Fausto, looking for Alberto. Maria doesn't show up at school to pick up Annuccia, and so Annuccia starts walking home by herself. Nowadays kids would never be allowed to leave school unattended.

Imma chases down her mother who is very mixed up about where she lives. She goes to the morgue to talk to the coroner about the new body part that was found.

We spend some more time in the spectacular Frasassi Caves, and this time we see the famous "Room of the Candles" filled with stalagmites that look like candles ready to be lit. Alberto Angela also discusses the colors in this place, as well as the "sounds of silence."

Dafne takes her lunch break with her new co-worker Camilla and learns a little more about her. At the hairdresser, Dafne gets a phone call from Viola.

Maya's family provides some lively music, but there is plenty of tension, and Lorenzo's mother jumps to conclusions when her necklace goes missing. Maya is heartbroken and almost ready to give up and go home.

Mimmo is describing the moment in which he and Franca take their relationship to another level and when he also finds the rhyme he'd been looking for in the song he'd been writing. Later, during the recording session of Vecchio frac, he finds out the censors have been at work and want him to change the lyrics.