Twenty-two-year-oldErinRosewakesuponemorningwithnomemoryofherpast.She'sinastrangeapartmentwithonlyoneclue:avampirebitescaronherneck.
Determinedtounravelthemysteryofhertrueidentity,shecontactstheSpectavivampires,whodrinksyntheticblood.Whentheycan'thelpher,sheturnstotheSanguans,whofeedonhumans.Herinvestigationleadsherdeepintoacenturies-oldvampirewar.
Erinmustdecidehowfarshe'swillingtogotolearnthetruthaboutherorigins.