After arriving at the mysterious castle, the university professor begins to encounter a sequence of mysterious events, to which he reacts with his rational thinking and tries to explain them logically.
| Directing | Anna Procházková | Director |
| Writing | Prosper Mérimée | Novel |
| Writing | Anna Procházková | Teleplay |
| Sound | Otmar Mácha | Music |
| Crew | Eduard Landisch | Cinematography |
| Editing | Marie Pačajová | Editor |