During the meeting with his mother, Rosario discovers that she wants to move to Florence and come back to live with him. The news upsets him, because he has been living with his foster family for a long time and fears that this sudden change could turn his life upside down.

Sandra was born in the province of Pisa and tells the story of her personal transformation. She begins at the beginning, when she was a young girl growing up in Cascina, a town near Pisa. But she wasn't happy and felt like a fish out of water.

Lojacono says goodbye to his daughter at the ferry when he gets a phone call from Laura. Later, he and Romano check out The Blue Moon, where Nazar Petrovic works as a bouncer. They convince him to answer some questions at the police car. Petrovic is worried about losing his job.

Ventruti recounts that at a certain point, Flora had lost her sunny outlook. He also mentions the name of a man with a criminal record. Meanwhile, at school, a student protest breaks out against a dress code, which leads to the granting of an assembly to discuss it.

Initially, supersymmetric particles were being sought, but without results, and surprisingly the Higgs boson was observed after only two years. Fabiola Gianotti's seminar at the CERN Auditorium, followed by an enthusiastic audience, officially announced the discovery, generating great excitement in the scientific community.

Maestro Marioni is back at the conservatory, ready to rehearse for the upcoming concert. Sara has had a change of heart about participating and talks to Marioni about it. She then sings a song (in English), venting her frustration. The song is actually "Wrecking Ball," made famous by Miley Cyrus. We've translated the Italian subtitles, but you can find the original English lyrics here.

Sandra tells about her immigration experience to the United States in 1979. At first, without knowing English well and without technology, she faces many difficulties in daily life and in finding work. Starting from a simple job as a coat check attendant in a restaurant, she slowly begins a new life that would later lead her to become a chef.

Nazar Petrovic, suspected of Lara's murder, is interrogated in the patrol car by agents Lojacono and Romano. The man denies any culpability, tells his story, and provides an alibi that sounds weak. The agents let him go, but Petrovic remains under police surveillance.

Camilla had clearly forgotten about Livietta's judo match, and gets a text message from Renzo urging her to hurry there. Luckily she arrives there in time to see her daughter compete.

This part highlights Peter Higgs himself, and his winning of the 2013 Nobel prize in physics. This reflected also on Fabiola, who was the first woman to direct the Geneva Institute. Through testimonies and interviews, her extraordinary scientific career is highlighted, along with her modesty, and the account of her childhood dreams.

During the rehearsal in the hall, tensions emerge between some members of the orchestra. Domenico misunderstands the relationship between Sara and Matteo, while the rehearsal continues amid errors, nervousness and arguments between the musicians. The maestro, focused on the music, ignores the chaos that builds around him.

Sandra tells about her initial difficulties in the United States and how, realizing she wouldn't get very far without knowing English, she learned it on her own. Starting from a humble job in the restaurant industry, she quickly grew professionally.

The dialogue between Pisanelli and Brother Leonardo alternates between irony and concern: while Giorgio is obsessed with finding a serial killer, the friar invites him to look within himself and take care of himself. Lara's death becomes the symbol of a deeper evil, made of loneliness and selfishness.

After the match, Renzo, Camilla, and Gaetano try to encourage sportsmanship between Livietta and Nino. Gaetano introduces Roberta to Renzo, alluding to a possible collaboration between Roberta's parents and Renzo. The tension is palpable.

Fabiola Gianotti's story combines professional growth and creative vision: from her beginnings in international protocol to a meeting with Barack Obama, to designing a space conceived to connect people and ideas, with an ironic ending related to the Higgs Boson.