Powerful and ruthless, the Inquisition moves through the shadows to ensure humanity's survival by any means necessary. No cost is too high for these Imperial agents, and no one is exempt from an inquisitor's justice. A stalwart protector of Terra, Ordo Hereticus Inquisitor Erasmus Crowl becomes embroiled in a dark conspiracy within the Imperial Palace, one which threatens the very existence of mankind. Hunted by hidden forces through the Palace's sinister underbelly, Crowl and his acolyte Luce Spinoza fight to uncover a terrible truth. As the fate of the Imperium hangs in the balance, Crowl and Spinoza must discover just how far they are willing to go to save humanity. Delve into the secrets of the Imperium in this collection of the Vaults of Terra novel series and short stories from seasoned Black Library author Chris Wraight.