A youthful human named Evelyn Moore winds up tossed into the shadowy and hazardous universe of vampires after a baffling experience with a strong old vampire, Lucian Draven. She is pushed into a universe of legislative issues, double-crossing, and dull privileged insights, where vampire tribes compete for command over the key to interminably. Trapped in their conflict, Evelyn finds that she holds a key to extreme power — one that could change the direction of both human and vampire presence. In any case, there's a trick: her association with Lucian, who becomes both her defender and her most noteworthy danger, won't confuse things in manners she ever anticipated.