A pair of brothers set out to save their friends as they form new friendships during a zombie apocalypse. But, it's not just zombies they will have to fight against. An organization of doctors dedicated to saving the world has become corrupted morally corrupted by their failed efforts and a new found power. Now, the very organization meant to reverse the apocalypse is responsible for creating undead creatures even worse than zombies. It's a good thing one of the brothers has a secret weapon.