In 2130, there was a steel mill worker named Chen Haiping. He was originally optimistic and cheerful, but became gloomy due to a serious illness. Before his death, he used his superb experience and technology to create several poison gas canisters and buried them deep underground. It is expected that in 100 years (2230), the poison gas will overflow and destroy the world.
(2225) All of this was narrated from the mouth of a 10-year-old girl, Nan Sheng. To be precise, it was her sleep talk. On this day, Su Chun received a letter and a recorder. The letter came from a mental hospital. Apart from these, the recorder clearly said "Save me", so she went to the mental hospital to find out the truth.
Purpose: Redemption for the sake of proof, help for the sake of redemption