

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.
Gregor Schnitzler
Heiko

Martin Ontrop
Tuchmann
Eneko Sanz
Polizist

Emanuela von Frankenberg
Petra Kramer
Christopher Patten
Struck

Eva Weißenborn
Margot Conradi