故事讲述未来世界被恐怖的变异怪兽占领，幸存者被分割成小型部落，艰难地为生存而战。其中一个部落中的几个年轻人逃离了怪兽们的一次围攻，因而发现了外面有更多的人类生存，虽然他们过得其实也挺惨。A group of post-apocalyptic survivors struggle to survive in a world where jungles, forests, primeval wetlands and deserts have obliterated civilization. They staunchly face genetically mutated beasts and mysterious diseases in an attempt to re-establish the human race as masters of Earth.