Wei Cheng is a survivor of a catastrophic apocalypse who has spent ten years searching for his younger brother, Can Can, after they were separated during a zombie horde attack. In his previous life, Wei Cheng endured extreme weather cycles, corrosive fog, and the collapse of human society, ultimately finding only Can Can's blood-stained Ultraman shoe. Upon his death, he is reborn to the moment of his grandmother's passing, returning to his eight-year-old body just before he is abandoned by his greedy maternal granduncle at the Warm Sun Home orphanage. There, he reunites with three-year-old Can Can, who has just been returned by his adoptive Qiao family after a brief, unhappy month. Wei Cheng, possessing the memories and combat skills of a veteran bounty hunter, resolves to protect his brother from the impending doom that will strike in three months.
At the orphanage, Wei Cheng quickly establishes a bond with Can Can, offering him the affection and security the child craves. He also befriends Wang Xiao Tiao, a slower-learning boy, and Ming Ming, a mute child recovering from illness. Wei Cheng is acutely aware of the corrupt dynamics within the home, particularly the greed of Director Wang's daughter-in-law, Li Yun, who skims food and donations. Using his future knowledge, Wei Cheng intervenes to ensure the children receive adequate nutrition and exposes Li Yun's mismanagement to Director Wang, temporarily securing better meals for the orphans.
The narrative shifts when Can Can discovers a mysterious system attached to his old twisty car. A mechanical voice informs them that the car serves as a portal to a "Twisty Car Safe House" and a wholesale mall capable of storing infinite survival supplies. To unlock the car's transformations and expand the safe house, they must earn "Twisty Coins" by completing daily tasks. Wei Cheng guides Can Can through these missions, which include eating vegetables, learning Chinese characters, and collecting plastic bottles. The system rewards them with vast amounts of virtual currency, which Wei Cheng uses to purchase bulk food, water, appliances, and other essentials, storing them in the dimensional safe house.
As the days pass, Wei Cheng prepares for the apocalypse by stockpiling resources and teaching Can Can survival skills. He also secures the orphanage's food supply by confronting the cafeteria staff and ensuring Director Wang manages the funds properly. The story highlights the contrast between the peaceful, mundane life of the children and Wei Cheng's grim knowledge of the coming disaster. He hides the true nature of their preparations, framing them as a secret game with Can Can to prevent panic or curiosity from others. The narrative concludes with Wei Cheng and Can Can continuing their daily routine of completing tasks and stockpiling, determined to survive the coming chaos together, armed with their supernatural safe house and unbreakable brotherly bond.
