Liu Ming happened upon a mysterious wooden box. It looked ordinary, yet concealed a secret: put an everyday object inside, and a priceless treasure would emerge. One day, he placed a serving of liangpi in the box, only to find a shimmering golden hairpin inside. Even more astonishing was the hairpin's owner, Su Wan'er. She came from a distant age, carrying an unknown mission and secrets. A box linking two worlds, an object connecting a thousand years, and a legend spanning time and space: the story begins.