Jiang Li unexpectedly returns to the time before the disaster arrives, replanning her life with her past experiences. She breaks free from the long-term influence of her family, reclaims the upgradable mysterious space, races against time to prepare living supplies, and moves into a villa with better protective conditions. As abnormal weather events such as extreme cold appear one after another, she goes from being strangers to companions with He Zheng and Lin Feihe, seeking a safer lifestyle through survival test after survival test. The space continuously upgrades and the external environment keeps changing, and Jiang Li also gradually learns to trust partners from only wanting to live alone, and builds deep feelings with He Zheng to jointly welcome the unknown future.