Gu Zhao is a newcomer in the bank's loan department, but she is actually the heir to the Gu financial conglomerate. She discovers that customers are rushing to apply for expedited loans to stockpile supplies and realizes that they are all regressors. After the apocalypse arrives, she takes control of grain warehouses and secures pricing power. She retreats with her younger brother to the Gu family ancestral residence to establish a stronghold, fighting against the regressor Cheng Wang, her second uncle who profiteers from the national disaster, and others. Her investigation into her father's murder leads to Qi Yuan, the northern overlord who controls a nuclear power plant. She reclaims the plant and settles accounts with her enemies, only to uncover the truth left behind by Shen Yan: the massive blackout is only the beginning, and a nuclear winter is coming.