Terror and darkness have blanketed the world all because the Earth has become a hunting ground for zombies and mutants. But luckily, for Zhao Tianlei, he's accidentally obtained a mysterious super system that grants incredible powers to those who use it. Now, Zhao's no saint. But after witnessing the death of his classmates and watching tragedy unfold, he can't just stand by and do nothing. Will he find the strength to lead mankind in a fight against the undead on a global scale and restore human civilization?