Max's nephew suffers a breakdown after the drowning of a fellow cadet at a military academy. The police department refute suspicions but Max shows Oskar a pattern of violence and believes that they're looking at a murder investigation.
Oskar and Max find themselves in perilous positions with little protection from Mephisto's deadly reach. The future of the Empire is threatened. The stakes have never been higher.
Max's engagement party is interrupted by news of a grotesque series of murders in Vienna's slums. Oskar quickly arrests a suspect and finds circumstantial evidence to support a conviction. But Max isn't convinced they've got the right man.
A beggar girl finds a mutilated corpse in the slums. Strasser warns Oskar that the investigation is not the concern of the Leopoldstadt police. Oskar receives anonymous messages relating to the murder
With the discovery of a young seamstress murdered in a luxury Viennese fashion house, Max and Oskar sense that the glamour industry conceals dark and sinister truths.
A series of murders in Vienna is connected to state secrets being leaked from the heart of the Austro-Hungarian Empire. Max and Oskar risk everything to discover the traitor's identity.
When a beautiful young medium is found dead in mysterious circumstances, Dr Max Liebermann, is called upon by Inspector Oskar Rheinhardt of the Vienna Police to assist in the search for the killer.