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.

Cast:Janina Fautz, Juergen Maurer, Nico Kleemann, Adrian Maaß, Tanja de Wendt, Inga Dietrich,

Genre:Crime, Thriller,

country:Germany,

Production:Ziegler Film,