It tells the story of Shu Han, a poor girl in an orphanage who found a job application for a special client to find the gems on the necklace in order to work. When she stepped into the store to work, she found that the store was often not that simple. Instead, she went back to various places in the past to collect gems and collided with various famous historical figures from the past. But when she was almost done collecting, she discovered that Bo Ling seemed to have something to do with her previous life, and this weird shop...