In the war-torn Sabbat Worlds crusade, Commissar Gaunt returns to the Chaos-held planet of Gereon to confront his personal demons! Still haunted by his lengthy mission behind enemy lines on Gereon, Commissar Ibram Gaunt heads back with the Imperial crusade army to liberate the Chaos-held planet. Gaunt and the Tanith First-and-Only find that the brutality of the 'liberation' pitches them into opposition with their commanders, who believe victory must be achieved at any price, no matter how cruel.