Global environment mutation, crisis descends, the world enters a difficult last days. Lin Ran carries previous life memories reborn, distance disaster arrival only remains three months. She seizes time to stockpile various supplies, unites family to renovate farm, builds sturdy refuge. While others bitterly struggle to survive, she safely passes days, also meets special strong person Jiang Chen, mutually relying on each other, hand in hand walks together in the last days.