It's just a ghost story. (it doesn't move slow, gets right to the chase)
It's about a newly wed couple on their honeymoon. They end up at a remote village, led there by their tour guide. The guide disappears and after a while of waiting they decide to go look for him. (kind of a fatal frame story)
After that they spend most of the time being chased and trying to figure out what the hell is going on. They learn that in order to live a sacrifice has to be made.
can't really say much more without giving the story away.