On the tenth year of the doomsday, Zhou Chuchu was murdered by her best friend and enemy, and unexpectedly reborn one month before the doomsday descended. She obtained a check-in system, infinite space, and awakened an S-grade ability. She mended her relationship with her husband, sold her company to stockpile supplies, built a safehouse, cultivated plants, and took her children and parents-in-law to prepare for the doomsday as a whole family. When the doomsday descended, extreme heat and cold raged, fly plagues ran rampant, and human hearts collapsed. She and her husband joined forces to eradicate villains and slaughter fly-men, protecting their family's safety and step by step leading the whole family to survive in the doomsday!