Because of their children's bad grades, some parents want the teacher Mrs. Müller gone. They meet with Mrs. Müller and try to convince her to leave the class.
Wherever 9-year-old Benni ends up, she is expelled. She has become what child protection services call a “system crasher.” But she is not looking to change her ways, and has one goal: go back home to her mother. When anger management trainer Micha is hired to help, suddenly there is hope.