The good thing about a low point is, you can not fall lower. At least the unemployed Maria Kowalke thinks after her break-up and when the "strange" father re-enters her life. Instead of teaching art education, Maria, who urgently needs work, has to step in as a music teacher in a secondary school. The lack of concentration and insubordination of their 10th graders quickly push them to their limits. It could always be worse! But Maria Kowalke is a teacher who advocates for her students, and her father Max Schellinger a pensioner who is far from the old iron.

Phil is too small for his age. This makes him the target of provocations by Samuel and his friends. When Phil unexpectedly receives support from lesbian girl Jo, Samuel isn't happy. Phil is impressed by the somehow different Jo. However, they are not the only outsiders.