Conductor Mablewood is back, and the competition for principal clarinetist starts again; Bo is struggling to practice with a broken finger; Jeppe is having trouble keeping everything together.

Bo confides in Vibeke, his mother, about his decision to leave home; During the Christmas party, Simon stumbles upon a skeleton mask in Jeppe and Regitze's car; Alma surprises her mother with an unconventional gift.

Bo reluctantly seeks therapy for his troubling views on women. On Valentine's Day, he learns of Regitze's infidelity; Jeppe, shocked by conductor Marcellino's sexist comments, fights to protect the orchestra's dignity after the harassment case.

Bo gains popularity among the Orchestra due to his mother Vibeke, a medical secretary who provides pills to the musicians. Bo's newfound fame catches Anastacia's attention, leading to an invitation to her home.

The disciplinary approach of Daniel Mablewood does not go unnoticed after he gets appointed as the new chief conductor; Tobias's parents decide to separate and his mother asks Jeppe to come home and discuss about the children.

Following the shocking revelation of Regitze and Simon's affair, Jeppe decides to move out of the apartment. Bo extends an invitation for Jeppe to join him and Vibeke for New Year's, providing an opportunity for them to spend the occasion together.

Bo's inappropriate comment to Anastacia is blown up by Simon Elliot into a major sexual harassment case. Jeppe is asked to take on the case before the role of the legal department come into play.

As Eppe's doubts about Regitze intensify, he becomes determined to impress her by constructing a bookcase, but his efforts only yield partial success; Bo's student, Elin, enters the competition for a coveted spot in the Aalborg Symphony Orchestra.

Anastacia comes back to Ukraine; Bo and Simon blame each other and their rivalry begins to deepen; Vibeke gets jealous of Elin and Bo's relationship.

Jeppe and Bo unite to eliminate Simon. Bo aims to undermine Simon before the Thursday concert, while Jeppe strives to rectify Marcellino's dismissal by appointing Mablewood; Jeppe and Gertrud employ contrasting approaches to persuade Mablewood.

Bo's biggest dream and worst nightmare come true; Vibeke is declared cancer free and cannot wait to get home to her son; Bo realises that his relationship with his mother is suffocating him, and he misses Lene.

After taking on the position as the new deputy head of the Copenhagen Symphonic Orchestra, Jeppe Nygren is forewarned about the peculiar habits of musicians. Soon, he finds himself entangled in a conflict with Bo Høxenhaven, the second clarinetist.

Jeppe finds solace in yoga and a furnished apartment; Regitze has sobered up and lives together with Simon; Bo struggles with Elin's departure for maternity leave and her move to Italy with her fiancé.

Mette has called Bo and Simon to a mediation meeting after their fight during the concert; Jeppe must also deal with Simon attending a parent-teacher meeting at Alma's school, after Alma's two boyfriends got into a fight over her.

During Simon and Regitze's wedding, Regitze becomes disillusioned, no longer certain that she made the right choice marrying Simon; Bo finds out through Simon that he has been demoted to 3rd clarinettist.

Jeppe realises that Alma secretly plays tennis with Simon, which leads him to take advantage of a parent from Alma's school to intervene in Alma and Simon's practice session.

Frey, a Ministry of Culture consultant, conducts an unannounced review of the Orchestra's work environment; Bo collaborates with Lene to humiliate Simon; Frey concludes that the Orchestra has a toxic culture.

Under pressure to salvage the Orchestra's finances, Jeppe seeks sponsorship from investor Marcus Holm; to Bo's great surprise, Anastacia shows up to play at a concert.

Jeppe presents the new budget cuts to the Orchestra, which does not land well; Bo, very upset by his mother's recently discovered cancer diagnosis, is already at odds with the new staff.

Bo has to deal with Simon's return to the Orchestra as well as the arrival of Hans Fischer, a terrible clarinet player, all vying for the principal clarinet spot; to attract a younger audience, the Orchestra features rapper Sin the Rellah.