As the vampire war approaches its deadly conclusion, Selah—desperate and bloodied—is hunted by both the undead and government agents. With cities falling to the insidious Blood Thralls and human authorities inexplicably opposing her at every turn, the fate of humanity rests squarely on Selah’s shoulders. As she races to unearth dark, terrifying secrets that could doom all of humankind, she must decide whether even her greatest sacrifice will be enough to avert a vampiric apocalypse .