A disaster caused the vast majority of animals on Earth to perish. Su Fan takes over the verge-of-bankruptcy Wangu Zoo, accidentally unlocking the zoo system, which enables him to nurture and evolve various rare living creatures. Step by step, he expands the park, builds cooperation with official forces, resists provocations from external forces, and fights against hidden evil organizations. In the crisis-ridden doomsday environment, Su Fan guards a peace of his own, revives extinct species, and creates a unique paradise of life.