The extreme cold disaster suddenly struck, the city lost power and water, and order collapsed. Cold chain maintenance worker Lin Jin accidentally bound the Fire Safe House system and transformed the top-floor rental house into an upgradeable safe house. While others are surviving in the cold, he has electricity and hot water in his house; while others are being held hostage morally, he only talks about rules of exchange. Starting from a hut, Lin Jin gradually upgraded defense, power supply, water purification and warmth, and established his own survival base in the frozen apocalypse.
