All 18-year-old Briar Greyson wanted was to figure out this whole living-away-from-your-parents thing. Apartment, steady job, cool roommate? Check. Noah, her adorable (albeit elusive) boyfriend? Check. Everything in the life of Briar was pretty good.Then she and her roommate are attacked on their way home one night. Briar wasn't supposed to survive.Instead, according to the two guys who saved her, she's turning into the things that attacked her: a vampire. Totally crazy and Not Okay. Now Noah's secrets are coming to light, and he wants Briar dead. Then there are the vampires who attacked Briar to lure out her sister.Her sister...who died years ago.(Didn't she?)The city's body count is rising, and Briar wants to help put a stop to it. But first, she has to figure out who the real enemy is: the vampires, the boy she loves, or the sister she thought she'd lost.