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.
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.
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.
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.
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.
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.
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.
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'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.
