"DArk Angels Interroogator-Chaplain Boreas and his men protect the recruiting world of Piscina V, watching over those who will be the next generation of Dark Angels. But when the Chapter's greatest secret - the existence of the Fallen, warriors who turned against their brothers ten thousand years before - comes to light, Borea's own past interrogating one of these traitors comes back to haunt him with tragic consequences."
-- from back cover.