Su Qing is twenty-seven years old. She is a convenience store employee and an ordinary resident. However, she committed the so-called "time and space crime" - she used future travel technology to kill herself who was still living an ordinary life in the future.
The story begins after she committed a crime. In order to maintain the stability of time and space, Qin Feng, the leader of the Space-Time Command Center, asked her to pretend to be her killed self in the future.
Purpose: The self-salvation of ordinary mortals lies in self-answering