In the winter of 1980, 21-year-old educated youth Song Nuanyu accidentally obtained the "Fubao Candy" system after saving someone from falling into the water, which allowed her to see the hidden value of items.
- After returning to the city, he was assigned to work at a scrap collection station and was ridiculed by his colleagues as "trash worth a fortune".
- Using the ability for the first time, it was discovered that a defaced copy of "Dream of Red Mansions" was actually the first edition of the Republic of China and was priceless.
- Lin Meiling, the daughter of the website owner, was jealous of Song Nuanyu and deliberately transferred her to the messiest used book classification area.
- Song Nuanyu found a land deed sandwiched in the "Barefoot Doctor's Manual" among the discarded books, which aroused the attention of the webmaster
