Hamburg, Germany, 1944, during World War II. A serial killer terrorizes the city. When it seems clear that the local police are unable to catch him, forces as dark and terrible as the criminal himself become involved in the case.

Claus Holmas Police Commissioner Axel Kersten
Mario Adorfas Bruno Lüdke
Hannes Messemeras SS-Gruppenführer Rossdorf
Peter Carstenas SS-Standartenführer Mollwitz
Carl Langeas Major Thomas Wollenberg
Werner Petersas Willi Keun
Annemarie Düringeras Helga Hornung
Monika Johnas Waitress Lucy Hansen
Ernst Fritz Fürbringeras Presiding Judge Dr. Schleffien