Wen Xin, a world-class assassin, transmigrates into a novel she once read. She becomes the cannon fodder character who must deliver a space jade bracelet to the female lead in a story about an apocalyptic natural disaster caused by nuclear wastewater dumping. The apocalypse is set to begin on January 1, 2100, with extreme weather events like typhoons, tsunamis, floods, and extreme cold. The original story sees Wen Xin gift the jade bracelet to Mu Xuan, her second brother's girlfriend, and later the Wen family is killed by their servants for supplies.Wen Xin decides to keep the space and stockpiles supplies to survive. She pricks her finger to claim the space from the bracelet, which binds to her. Using her savings and money from her parents and brothers, she accumulates over 320 million yuan. She purchases enormous stockpiles of meat, vegetables, grains, oils, seasonings, fruits, seafood, clothes, quilts, medicine, water, and fuel. She stores them in a rented warehouse before moving them into the space. She also buys hovercrafts, jet skis, satellite phones, generators, and solar panels to prepare for the coming disasters.Wen Xin's family includes her father Wen He, mother Liu Danru, eldest brother Wen Yufeng, and second brother Wen Junmu. Wen Junmu is in a relationship with Mu Xuan, whom Wen Xin recognizes as the female lead from the novel. Mu Xuan appears to be reborn and persistently seeks the jade bracelet from Wen Xin, wanting to obtain the space for herself. Wen Xin refuses every time and remains on guard. She also tries to influence her second brother to give Mu Xuan space and avoid acting too clingy.The day before the family is to leave for a vacation at a suburban farmhouse—a plan Wen Xin devised to move them away from the seaside villa that will be submerged by the rain—Wen Junmu presents Mu Xuan with a custom-made jade bracelet based on a drawing he obtained from her. Mu Xuan opens the box, hoping it might be the space bracelet.Meanwhile, Wen Xin has gathered all the servants and given them paid leave, making the villa empty. The family intends to leave the next day for the farmhouse, unaware that the apocalypse is imminent. Wen Xin’s ultimate goal is to keep her family alive, prevent the tragedy described in the novel, and survive the coming natural disasters with the supplies she has stored. The story sets the stage for the apocalypse to begin while the Wen family is away from their vulnerable seafront home.