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.
A young boy stays with his aunt and uncle, and befriends his cousin who's the same age. But his cousin begins showing increasing signs of psychotic behavior.
Alex, Fedja, Timo and Lara are four troubled teens for whom the upcoming Christmas eve isn't a time of peace and joy: Since they all have a history of escalating family conflicts, they'll be spending the holidays not at home, but in a psychiatric ward. The utterly different adolescents not only have to adjust to one another, but also have to confront themselves in exhausting therapy sessions. Yet thanks to the unorthodox psychiatrist Dr. Wolf, the sessions take a turn for the unexpected - and the four experience a Christmas which they will never forget.