Liang Wenwei died in a car accident on his way to work. With the help of the King of Hell, he returns to the past, hoping to change the tragic life of his mother, who died long ago. He transmigrates to 1977, but exists only as a fragment of his mother's consciousness, and she is still a child. With no other choice, he makes his mother the protagonist in the early part of the story, then gradually teaches her about future trends and developments... Until, thirty years later, Liang Wenwei must leave forever. Before he goes, he gives her two fragments of memory: one containing the life of Li Qiaomei, his mother in the original world, and the other containing his own life.
