In this world resources are exhausted, the globe is shrouded by dust storms, civilization has perished, all creatures fight desperately for a sip of water, and scavengers periodically clear out humans. Chen Changsheng accidentally transmigrated into this wasteland doomsday, awakening the special profession "Beast Tamer". After contracting the last surviving Tree of Life in the world, he established a city on the thick back of a black tortoise, creating a new home for humankind across the world.