Camilla and her class are on a field trip to the theater and she is trying to hand out the tickets, but lots is happening outside, involving the other teacher, an out-of-work actor, the students, some picture-taking, and some trouble down the street.

During the orchestra rehearsal, a player makes a mistake and Marioni, the conductor, doesn't hesitate to press the point, in his usual cruel manner, that an orchestra is not a democracy.

The young volunteers talk about how they met and what they were doing the night of the murder. Aragona and Romano come back to headquarters with a photo they found at the victim's home.

Imma is still worried about her husband ending up in the hospital when, back at work, Diana has bad news for her. Imma remembers her appointment with Don Mariano, but that's not the worst of it.

At home, there is the usual rush to get ready for school and work. Camilla is running late and is not available to answer a burning question her husband and daughter have for her.

Matteo seems fine but his father and uncle are worried about him. Marioni learns why Matteo is described as fragile and makes some decisions regarding the orchestra.

Lojacono and DA Piras arrive at the scene of the crime and meet Don Michele. The next morning Lojacono goes with Di Nardo to talk to the kids who had been in the parish hall with the victim.

Imma had been dreaming and wakes up to a call from Don Mariano who wants to see her, urgently. But she has another emergency to deal with first.

Sofia goes up to the roof to practice her cello, but ends up singing a song (in English). When Maestro Marioni gets home from an amorous encounter, he watches a video where Matteo's previous violin teacher introduces him and explains his special situation.

Lojacono is on a video call with Marina, his daughter, and her friend Chanel, when he gets a phone call from headquarters and goes to a new crime scene, to see what's what.

Imma appears to be on the psychiatrist's couch, describing a dream, but the situation becomes more and more bizarre and we don't really know what's real and what isn't.

Sofia is practicing cello when her brother asks her for a favor. His girlfriend Ilaria comments on Sofia's weight.

In a church basement, a priest leads some young people in singing to celebrate the eighty-first birthday of Mariolina. Caterina goes to find Angela, who is late with the cake.

Pietro goes to his saxophone teacher's house to help her with a technical problem. At home, Imma gets an important phone call that has nothing to do with the case she just solved.

Sara is home at dinner arguing with her mother who finds her unbearable. Sara's phone rings with an audio cue indicating the caller. Robbo and his sister Chiara are going home on the tram when, out the window, they see someone they think they recognize.