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.

• Ziegler Film
• Janina Fautz
• Juergen Maurer
• Nico Kleemann
• Adrian Maaß
• Tanja de Wendt
• Inga Dietrich
• Peter Miklusz
• Martin Ontrop