The thing about blood free is that the story pulls you in once you get accustomed to the futuristic world.
The show does a good job of making it realistic like you can easily follow along though they are taking about hifi tech and we can envision this could be possible.

The cast are really good, leads have great chemistry the supporting characters are cool too...i don't mean the villians
We need to see the villians go down in season 2 ASAP