Sometimes the accompanist has to follow the soloist's musical intentions, but at other times, when the musician is not very experienced, the accompanist needs to guide the soloist and make the best of a potentially tricky musical situation. This depends on the musical and technical level of the soloist, as well as the experience and maturity of the accompanist.

Fabiola and her colleagues retrace the long journey toward the discovery of the Higgs boson: from Peter Higgs' theoretical intuition to the difficult meetings at CERN, up to the realization of the Large Hadron Collider, initially considered almost impossible.

Anna and Camilla enter Quantunque's apartment to understand why he hasn't been to the restaurant anymore; the only suspicious element is a suitcase locked with a combination. Meanwhile, at home, Renzo appears more serene after talking with his mother-in-law and attempts a reconciliation by preparing dinner.

Rosaria appears very impressed by Alex's new house and, between one compliment and another, updates her partner on the latest developments in the investigation. Meanwhile Lojacono goes to the restaurant to see Letizia, who welcomes him by offering a rich and inviting selection of typical Neapolitan dishes.

Pianist Matteo Bogazzi explains what his job — pianista collaboratore (collaborating pianist) is all about, and how he got there. The interview took place during a chamber music festival and summer course in Lucca, where he was working.

Rosario is troubled and, returning home, confides to his foster parents that he will meet his mother in his own way, alone. Meanwhile, Sofia and her brother exchange sharp remarks, while Marioni relives memories from the past, and a sudden bicycle accident transforms a quiet evening into a moment of great apprehension.

In this part, the encounter with physicist Fabiola Gianotti at CERN is retraced, highlighting her scientific talent, humanity and prominent role in international research. Between personal memories and reflections on theoretical and experimental physics, the importance of collaboration between the two fields emerges, recalled by the example of the discovery of the Higgs boson.

Anna is worried about Quantunque and asks Camilla to accompany her to his house to understand how he is, since he didn't come to the restaurant. Meanwhile, Torre and Piccolo enter Torrielli's apartment, finding it completely turned upside down: no clear clues emerge, except for elements that suggest an ambiguous professionalism.

Between interrogations, conflicting leads and multiplying suspicions, secrets emerge linked to the victim and their private life. Meanwhile Romano faces the weight of his own guilt and the violence he committed but is called back to a sense of responsibility by the group.

Through song, Matteo, rejected by Barbara, who chooses to remain just a friend, expresses his pain. Sofia's unconfessed feelings also emerge, as she loves Matteo in silence.

Marika proposes a new series of riddles designed to train logic and improve Italian comprehension. In this video you will have to guess common words related to the human body, everyday objects, seasons, cities, sports and nature. Are you ready to put your intuition to the test and find out if you can understand all the clues?

In the video Renzo Piano and Fabiola tell about CERN as a symbol of the cultural and scientific rebirth of the post-war period. Through personal memories and everyday dialogues, CERN emerges as a place of human and international encounter, founded on curiosity, peaceful collaboration and love for knowledge.

Commissioner Berardi investigates the disappearance of Mrs. Torrielli and, during an inspection, interrogates the widower Ventruti. In an informal setting, over coffee, an important detail emerges: Flora's new address.

Mrs. Nubila retraces what she knows about Lara, the young woman welcomed with almost filial affection into her family. However, the fragile balance of her life is shattered by her husband's sudden return. Di Nardo and Lojacono reveal to her an aspect of Lara's story that the woman was unaware of.

The group gets together for an evening among friends, marked however by some absences. Between relationships that are ending and unexpected revelations, the group still tries to stay united. A final toast celebrates a friendship that endures, despite everything.