In the dystopian future of the forty-first millennium, the Sisters of Battle stand between humanity and eternal damnation. From elite seraphim warriors to repentant berserkers, they are the strong arm of the Ecclesiarchy to ensure the Emperor's justice and vengeance against the enemies of humanity. The dangerous heretic psyker Torris Vaun escapes the custody of the Sisters of Battle. To wash away the shame, Sister Miria pursues Vaun across the planet Neva, in this pursuit the Sisters of Battle are joined by Hospitaller Sister Verity, who has a personal score with Vaun. This investigation will reveal secrets that could threaten the future of the Imperium. Will Miria and Verity be strong enough to prevail?