Love is a lot of different things. A lover is not the same as a brother and an angel's not the same as a vampire, is it? When her family's murderers ransack her home, Layla Rensetti, teenage vampire and donec, flees with her scientific genius of a brother, Ragner. Heartbroken from the loss of her lover, she is dragged into a marriage with the dangerous vampire prince Vladimir Dragonsweed. But the disturbed royal is Ragner's worst nightmare, tearing at his dreams of finding his lost brother Nicolai. Forbidden to leave their new home, the twins and distraught young prince run into secrets, lies, and missing answers at every turn. Why did their father never complete his lifelong project, what really happened to Nicolai that fateful night, and who exactly is Nick Renz?