Lin Xueer is a single mother. Although it is a bit tragic to meet a scumbag, she is optimistic and still has a prosperous life with her baby. But fate seemed to like to play tricks on her. In an accident, Lin Xueer found herself traveling through time. At that time, she was not thinking about such profound questions as who I was, where I was, and what I was going to do. What she was thinking was: It's over, it's over, I've left the Yibao behind! Later she discovered that her son had also traveled through time with her...