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.
Director: Gregor Schnitzler
Producer: Marcus Olpp, Regina Ziegler, Tillman Geithe
Writer: Stefanie Veith, Michael Comtesse
Director of Photography: Ralf Noack