They were born to fight. Created to win. But the question remains... Who's the real enemy? When Sadie heads out for the night, she hardly expects to witness a murder—much less a murder committed by a dangerous vampire with a thirst for vengeance and destruction. Within a few hours, Sadie and her boyfriend Aaron are pulled into a violent vampire world. Searching for a way to survive, they know they must fight, but this might be a battle they just can't win.