November 1918. A socialist revolution is sweeping across Germany, wreaking havoc on war-torn Berlin. Amid the ruin of the city's slums, four women are found dead-all with identical scars on their backs. Detective Inspector Nikolai Hoffner and his assistant, Hans Fichte, are baffled by the killings, and when another body is discovered, the case takes an ominous and unexpected turn. The fifth victim is none other than Rosa Luxemburg-a leader of the...