As the apocalypse descends, Yun Xiaoxiao is reborn back to the age of five and binds with the "City Lord System", triggering a crazy stockpiling mode. Innocent and harmless in appearance yet ruthless and cunning at heart, she leverages the advantage of foreseeing the future to lay out plans in advance, hoarding massive supplies and recruiting top talents. When society collapses, she uses iron-fisted methods to sweep away enemies and annihilate zombies, building the indestructible "Yun City" atop the wasteland. From an abandoned orphan to the apocalypse's strongest city lord, Yun Xiaoxiao proves to everyone that in this life, the rules are set by her!