Wen Zhixia inherited her grandmother's "Time Grocery Store" and was able to see the "memory fragments" of the owner of the items by repairing them. When Zhixia was repairing a "silver hairpin from the Republic of China", she saw that the owner of the hairpin was involved in the conspiracy of the old era. The secret hidden in the hairpin highly overlapped with her grandmother's "sudden amnesia" experience when she was young.
