The Keep — Veronica Wolff

JUST BECAUSE YOU WORK FOR THE DEAD DOESN'T MEAN YOU WANT TO JOIN THEM.

Drew has just started her second year on the Isle of Night, and the weather isn't the only thing changing drastically. She has ascended to the rank of Initiate. She's also found an intimate love in the handsome vampire Carden. But most important, she no longer dreams of escape. She dreams of vengeance.

Her friend Emma was brutally wounded by the savage vampire Alcántara and may have been taken to the dreaded castle, from which none of the living returns. With so many different stories from so many people with so many of their own deceits and machinations, Drew can't be sure of anything -- except that she must find a way into the castle to discover the truth and take down Alcántara once and for all.

But Drew isn't the only one out for revenge. Someone very dangerous on the island is also out for blood....

Hers...