With the lights dimmed, the conservatory orchestra gives a moving performance of Schubert's Symphony No. 8 in B minor, D. 759, known as the Unfinished Symphony. As they play, Marioni listens, and his emotions take him back in time to relive his daughter's bicycle accident and aftermath.

Renzo and Camilla have a heated argument after a work dinner that went badly, bringing to the surface tensions and jealousies that put their relationship to the test. Meanwhile, at school, amid subtle romantic hints between colleagues, attention turns to the upcoming assembly.

Faced with evidence, Mrs. Nubila has no choice but to confess her involvement in Lara's pregnancy, and how she and her husband took advantage of the girl.

Marioni introduces an unusual concert, in which he gives up conducting the orchestra to accommodate a visually impaired musician. The orchestra is arranged among the audience, and the musicians will perform without visual references, relying exclusively on their ears.

Inspector Berardi and Camilla discuss the case, but they lose track of time and it gets very late. Phone calls with their significant others ensue. Gaetano is concerned Camilla might end up in the middle of a third murder.

Laura and Giuseppe go to question Lara's former employers, who are not very cooperative. The issue of embroidery comes up as Di Nardo and Aragona search the premises.

Marioni has an intimate moment with Irene and lets her know how important she is to him, whispering the lyrics to "Senza fine" by Gino Paoli. At the conservatory, the orchestra is ready to go onstage for the concert, where, presumably, everyone will play from memory. Matteo's uncle and friend are in the audience, but Nathan hasn't invited anyone. Sara is nervous.

Gaetano and Torre get called to the scene of another murder. Suspecting that the body is that of Quantunque, Gaetano calls Camilla, who has gone to Anna's restaurant to meet someone identifying himself as Quantunque. Anna turns out the lights at the restaurant and Gaetano turns on the siren of the squad car.

An apparently insignificant detail on the onesie the baby was wearing when found by the dumpster leads Laura to question a version of events related to Lara's death. She and Lojacono go to question Lara's former employers once again.

Irene is not so sure Marioni's car crash was really an accident, and the two talk frankly. Meanwhile, Robbo's sister Chiara has an asthma attack, and Robbo calls their father.

Livietta is using a bit of blackmail on her parents to get them to buy her some low-waisted pants. But Camilla and Renzo have their own problems. Renzo has to go to dinner with Roberta's parents, and Camilla gets an urgent phone call from Anna.

Palma begins to lose patience with the Pizzofalcone team, frustrated by the absence of concrete evidence and a network of still uncertain suspects. Meanwhile Lojacono confronts his lawyer, bringing to light personal difficulties, financial problems and the weight of a past that continues to haunt him.

Barbara avoids a meeting to take refuge in music, while the rest of the group confronts insecurities. A breathing crisis of little Chiara brings past fears back to light, but also the strength of mutual support. Meanwhile, among colleagues, the organization of an innovative concert takes shape.

Torre and Piccolo arrest Alfredo Brachetti, suspected in the murder of Flora Torrielli. He denies everything and presents an alibi, but the agents remain suspicious and look for connections with other characters.

Lojacono and Romano interrogate Senatore, trying to verify the solidity of his alibi, while the investigation is practically at a standstill, with little to go on. As Lojacono is making his morning coffee, he gets a disturbing phone call from his ex-wife, Sonia.