After being reborn, Wen Qing and her family keep their distance from the ungrateful Wen Xin. They fortify their old family home into a sturdy shelter to withstand the extreme cold of the apocalypse. Wen Xin and her accomplices lead a gang of thugs to raid the house, but Wen Qing’s family repels them using high‑pressure refrigerant, dust explosions, and other tactics. Faced with blizzards sealing the doors, oxygen deprivation, and subsequent attacks by thugs, the three of them repeatedly escape death through their wits and preparations. Ultimately, they hold onto their hope for survival in desperate circumstances, confronting the tests of humanity and the challenges of survival in the doomsday.