Shen Zhiyuan, whose everything was hollowed out by her best friend Bai Weiwei and ex-boyfriend Jiang Chenyu in a joint effort, foresaw the arrival of level-five corrosive acid rain in advance. She retreated to guard the deep mountain ancestral stone courtyard, and united with infrastructure engineer Xie Linzhou to transform the stone courtyard into a doomsday fortress. The betrayers degenerated into beggars and were turned away, besieged by refugees, surrounded by mutant beasts, encircled and suppressed by official forces, and engaged in a ultimate showdown of capital groups. The heroine grew from gentle and forbearing into a doomsday lord ruling over a region.