Lan Mo, a gluttonous and tomboyish girl, acquires a magical hair clip from a vanishing trinket shop. This clip allows her to morph into a stunning and refined lady, a transformation that could help her win the affections of her long-time crush, Liu Yifeng. Yet, concealing this enchanted accessory becomes a challenge as she navigates rival admirers of Liu Yifeng and the enigmatic Xia An. As secrets unravel, Lan Mo realizes the significance of the hair clip in her possession might surpass mere chance.