A beggar girl finds a mutilated corpse in the slums. Strasser warns Oskar that the investigation is not their concern, but when Oskar receives anonymous messages relating to the murder, he can’t resist delving further.

1900s Vienna is a hotbed of philosophy, science and art. Dr. Max Liebermann’s extraordinary skills of perception and Detective Inspector Oskar Rheinhardt’s determination lead them to some of the city’s most mysterious and deadly cases.