Marley Harper lives a normal life with her parents. Until one night a vampire attacks, killing her family. She wakes up a week later in the hospital with the knowledge that creatures that aren't supposed to be real are. Marley vows revenge. She sets out to kill all vampires only to find out that her blood is unique to them. Some of them want her dead, others want her alive. Secrets abound around her. Her friends will turn into enemies and enemies might be the only ones she can trust. All along, Marley is wishing for her normal life back.