The movie is not a zombie in the common sense that we always see. The Z's in this movie responses to sound and sometime human. Sometimes they don't even follow this group at all. They walked silently and the zombies ignored them. What logic do they have in the movie. If they are hungry for human flesh, they should follow human scent, blood or brains. I think the movie has some good part regarding spirit and that is the main point for the movie. Zombie is the smoke screen, they put it on just to be one of main condition among others that gel the group together. If you just want to see the Japanese zombie version. This is it. They are not exactly the same as you might want. One funny thing is that, you won't see they used knives or guns to fight zombies. Just their bare hands which is too foolish. You might thought, didn't your guys watch any zombie movies at all? If you are streaming it and really want to skim through it, I recommend 1.5X speed and you miss nothing, really!