It is the story of a drug that has already spread through the streets, where junkies have turned into an army of dangerous zombies everywhere. In those moments, a man hunts carnivores with his car and guns daily. Now, this guy meets a group of survivors and helps them stay away from everything that happens.
I would still recommend Zombie Hunter simply based on how fun the first 45 minutes are, but if you walk out or turn it off after that, you won't miss much.