Katarina is a young woman with a troubled past. She is living with her boyfriend and working in a school cafeteria. When she attacks one of the students for calling her a hooker she is fired. While looking for a clip on YouTube she finds a recording of Mozart and falls in love with the music. She sneaks her way into a job at the concert hall but, after an affair with the conductor, she is again fired. Katarina refuses to give up her dreams or the music she loves.