Berlin, December 1939. Paranoia in the capital is intensified by a rigidly enforced blackout that plunges the city into oppressive darkness every night. When a young woman is found brutally murdered, Criminal Inspector Horst Schenke is under immense pressure to solve the case, swiftly. Treated with suspicion by his superiors for his failure to join the Nazi Party, Schenke walks a perilous line - for disloyalty is a death sentence. A stunning thriller of wartime Berlin.