After a breakup with her childhood friend Frida, Selma begins to forge a bond with two other girls from Rosenholm Gymnasium – Alberte and Jasmin. On the last night of summer break, just before starting her second year, Selma enjoys a night out with her vibrant new friends. It’s during this evening that she encounters Johan, a strikingly handsome and slightly older guy.
A few days later, on Selma's first day of her second year, she discovers that Johan is her new music teacher. He awakens a hidden passion for music within her, and their connection evolves into a fierce and exhilarating, yet forbidden, romance. As Selma navigates this secret relationship, she confronts aspects of herself and her life that she never knew existed. However, the weight of their clandestine love creates pressure and challenges that prove difficult to manage.