The famous forensic phonetician Matthias Hegel is a luminary in his field. Even the slightest deviation in the sound of a voice is enough for him to distinguish truth from lies and thus convict criminals. But now the police consultant confesses to having committed a gruesome murder.
- Created by
- Gregor Schnitzler
- Origin
- DE
- TMDB rating
- 8.2 / 10 · 6 votes
