From the back of the book:
It all started with a Halloween party...
JULIAN: He seems like a not-so-ordinary guy, but he's really a vampire. And Lorelei holds the key to his traumatic transformation, creating repercussions for the entire vampire community.
NICHOLAS: Killed at the teeth of Nicholas, Lorelei's friend Dina comes back. But why? And how can they keep her from dying again?
LUCIEN: He's 12,000 years old, with holes in his memory you could shove a velvet-lined coffin through. Still, he holds the key to Julian's profound mysteries--and Vivian's more personal ones.
LORELEI: When Julian changed, so did Lorelei. but how? What exactly has she become, and what does it mean for her future with Julian?