Imagine a world ruled by Angels and subordinated by demons, a world where humans are being baited and hunted for sport,a world where humans are going extinct. When a girl's brother goes missing, she leaves the safety of the human fortress and goes into the demon infested world in search of him but the first person she runs into is a broken renegade Angel. There are secrets and there are dangers and the human girl is revealed to not actually be a human but something else. What is she? How does she affect the Angel? Who is after them? And what secret does the past hold?