"Rhage and Mary return in...[this] novel of the Black Dagger Brotherhood... Nothing is as it used to be for the Black Dagger Brotherhood. After avoiding war with the Shadows, alliances have shifted and lines have been drawn. The slayers of the Lessening Society are stronger than ever, preying on human weakness to acquire more money, more weapons, more power. But as the Brotherhood readies for an all-out attack on them, one of their own fights a battle...

The location of the glymera's notorious prison camp was lost after the raids. When a freak accident provides Nyx clues to where her sister may still be doing time, she becomes determined to find the secret subterranean labyrinth. Embarking on a journey under the earth, she learns a terrible truth--and meets a male who changes everything forever. The Jackal has been in the camp for so long he cannot recall anything of the freedom he once knew. Trapped...