This series starts REALLY slow. Almost too slow. I kept watching, though, and at times it was quite brilliant.
A super-flu wipes out the population, leaving only few to wander towards a woman called Mother Abigail, who appears to them in their dreams.
Of course there are others, and they are being beckoned forward by someone else entirely...
The further the story progressed, the more it had some sort of... religious undertones. About God, and about the Devil, I think. My mind couldn't keep track of everything that was being implied, and the plot itself grew thinner all the time; it took time for anything to happen, the build-up was ridiculously long, and the very end of the series was bizarre and a disappointment.
Some of the characters seemed to be tripping or just insane, and the rest seemed to be happy to rely on some greater power out there to guide them through their challenges.
All in all, if I would have to describe this series with one word, it would be "slow". Too slow for me, anyway. The story was good, somewhere out there, but it was drowned by the mundane, strange things that went on.