A war-torn officer. A mysterious death. A conspiracy that could reshape a nation.

October 1918. As the Great War spirals toward its catastrophic end, Oberstleutnant Alaric von Trelow receives shattering news: his beloved wife Johanna has died suddenly at her family home. Granted emergency leave from the blood-soaked Western Front, he arrives to find a household riddled with secrets and a death that reeks of murder.

The symptoms don't match the doctor's diagnosis. Johanna's final diary entries have been burned. And in a Germany hurtling toward revolution, ruthless people are forging explosive deals in shadowed rooms—deals that Johanna may have uncovered.

Haunted by the slaughter of the trenches and consumed by grief, von Trelow must navigate a labyrinth of treacherous political conspiracy, deadly lies, and violent sabotage. But in a world where the old order is crumbling, the truth comes at a terrible price.

Set against the apocalyptic backdrop of Germany's final weeks of war, Prussian Blue introduces a mesmerising new detective in Alaric von Trelow—a man trapped between honour and vengeance in a nation careening toward chaos.

The first in a gripping new historical mystery series set amongst the tumultuous years of Germany's Weimar Republic.