Stasi agent Alexander Berg has to uncover a plot of sabotage.
| Directing | Heinz Thiel | Director |
| Writing | Gerhard Bengsch | Writer |
| Crew | Horst E. Brandt | Cinematography |
| Editing | Anneliese Hinze-Sokolowa | Editor |
| Sound | Helmut Nier | Music |
| Writing | Fred Unger | Novel |