I'm with Scott R. About halfway through, I also realized that I was super into this story and that Helene was awesome. I would actually like to read an entire book around her and her Duke.
I was particularly impressed with the playing with timelines. It was written in a way that really enhanced the tension and fed the audience information in a smart and precise way. The narrator was especially good in these transitions as well. I had an easy time following where and when I was at in the story, and I feel like this could've easily not been the case.
The only complaint I would raise is that I had a bit of trouble understanding the motivation of the Queen. I didn't get where all that anger came from, since she seemed pretty at peace with the situation with her husband. Also, I did have an issue with figuring out the size of Copperroof. It's a home, but it's divided in two different sides? Is it like the size of a small village or is the division more of a social one? A tad confusing.
Overall, though, very much enjoyed myself with this story.