Zheng Xiaoqian woke up from her dream and found herself in the world ten years later - 2031.
This year, the apocalypse broke out and all lives were devastated. The mysterious man told her that only if she survived and found the origin of the apocalypse, could he turn back time and prevent it from happening.
The near-death encounters and separations made her grow up quickly and became the support for her to grit her teeth and survive. Full of hope, she moved towards the answer to the mystery step by step.
Purpose: Protect the Earth.