Not much story whole lot of holes where you have to assume yourself and no it's not a drama theres not a whole lot of explaining or much talking really at all. But that's the beauty of it, it cuts straight to the point, the action points and I think they had some really clever ideas I haven't seen in movies, my favorite part about how it is, is that they are a real threat it's not your casual walking dead zombies that are coming at you at a half a mile an hour that you could simply walk away from and there not all gooey and weak. No simple ripping them apart with your hands in fact just run is the principle as hard as you can