On the advice of a doctor, mentally challenged parents Petra and Martin Kaminski apply to the youth welfare office for early intervention for their daughter Lona. However, the helper provided has the effect of depriving them of custody. The parents ask a lawyer to help them. A long journey through the courts begins...
| Actor | Role |
|---|---|
 Juliane KöhlerPetra Kaminski | Petra Kaminski |
 Matthias BrandtMartin Kaminski | Martin Kaminski |
 Anneke Kim SarnauAnnett Fink | Annett Fink |
 Lena StolzeGabriele Lohse | Gabriele Lohse |
 Heikko DeutschmannKai Gerber | Kai Gerber |
 Amber BongardLona Kaminski | Lona Kaminski |
 Aglaia SzyszkowitzJulia Gerber | Julia Gerber |
 Axel GottschickHerr Beck | Herr Beck |