The habitual criminal Roby Schmucker is sent to prison for the fourth time. He steadily begins to have confidence in his cell mate Mohammed Hiab. Together they discover the dark scheme the director has to take responsibility for. In the struggle for freedom, Roby Schmucker can bring the head of the institution to his knees.
| Actor | Role |
|---|---|
 Bruno CathomasRoby Schmucker | Roby Schmucker |
| PPeter RühringJohannes Schwerdfeger | Johannes Schwerdfeger |
 Juana-Maria von JascheroffHelen Berger | Helen Berger |
| RRoberto GuerraWalter Platz | Walter Platz |
| OOliver ZgorelecMohammed Hiab | Mohammed Hiab |
| MMarkus SchäferNot listed | Not listed |