There is a mass murderer on Cauldrus. Hired by the planet’s governor to find the killer and end their slaughter-spree, headhunter Lowen Tegget travels to the long-dead city of Namogrod. But when Canoness Olga Kamaranz of the Adepta Sororitas arrives, a coterie of Battle Sisters in tow, Tegget realises that this hunt will be the most difficult he has ever performed.