Chi Yi burned her 2-year-old brother and was kicked out of the house by her patriarchal family. The kind-hearted old beggar Granny Chun took her to make a living by scavenging.
The uncle has been quietly paying her tuition fees, but every time he sees Chi Yi being bullied and bruised by her classmates as a beggar, he does not defend her. Kou Mu transferred to Chi Yi's class, which brought her many unforgettable joys in her difficult childhood. But accidents came one after another. Granny Chun passed away, and Chi Yi was involved in the murder of his younger brother. A plague broke out in the town. Chi Yi was eventually separated from Kou Mu by some strange combination of circumstances. In order to reunite, Chi Yi began a long search...