The first half of the book sets up the overarching plot of this series, which is the war between the servants of the Light (like angels) and their descendants and the servants of the Dark (demons) and their descendants. This is told through the eyes of Erin, a mortal descendant of the Light who is largely shaped by the losses she suffers in the war. The second half then switches gears and focuses on the unlikely and doomed love affair between Erin and Stephanos, the immortal first servant of the Dark. This love affair sets up the main theme of the series, of whether light can be found in the dark and vice versa. Although how they come to love each other is not entirely convincing, their respective struggles against who they are by nature and their loyalties to their gods and people is very compelling. The writing style is a tad choppy, but the ideas in the series are really good. I'm nearly done with the 2nd book, and both are dark and disturbing, with some rather difficult to read scenes.

I really like the cover art, I have to admit that's the reason I picked this up! It doesn't really capture the plot of the book very well but does capture the overall feel.