1810 England, the height of the Napoleonic wars. It was thought that humans walked the path of enlightenment leaving monsters and dark things behind. However, those monsters and night stalkers merely hide in the darkness, as a young maid, Bernadette, soon finds out.
I'm not sure if the vampires have no reflection bit started with Bram Stoker or if it was earlier than that. None of the older stories I've read mention it. The no reflection thing was also expanded in modern times to include photography and film.
'Opinions are like testicles. Kick 'em hard enough and it doesn't matter how many you have.' ~ Varric Tethras