An extreme heat disaster strikes, crippling the city's power supply and causing survival resources to become desperately scarce. Su Sui unexpectedly escapes from a research facility and unlocks a special spatial ability that allows her to store supplies while keeping time from passing inside. Relying on her powerful psychic abilities and time-stilled storage space, she struggles to survive while facing enemies from her previous life and unresolved entanglements with the experimental base. In a collapsing world, she fights alongside Shan Shan, and the two become bound together through their shared struggles.