Cultural relic restorer Lu Zhaoxi's life hit rock bottom, but she unexpectedly inherited a library that was only open at midnight.
The books collected here are not ordinary texts, but "books of destiny" transformed into endangered intangible cultural heritage, which are being continuously eaten away by "eclipse" and heading towards annihilation.
The inspector bound to her, Xie Heng, is powerful, venomous, and whose identity is a mystery. He seems to be full of disdain for her as a new night watchman.
In order to survive and to explore the secrets left by her grandmother, Lu Zhaoxi had to step into the worlds in the books:
The shadow puppet troupe sings its final song in the firelight, the ancient method of making ink is lost in the utilitarian era, and the ancient music of Dunhuang gradually becomes extinct...
She uses her pen as her sword and her emotions as her guide. She repairs her skills and also repairs her people's hearts.
However, as the mission deepens, she discovers that her "occupational accident", Xie Heng's thousand-year wait, and even the madness of the "Fire Raider" are closely connected with the core secret of this library.
When the final test comes, she must answer: Is protecting civilization to solidify the past, or to illuminate the future?
Intent: True protection is not to let civilization become a specimen in a museum, but to allow it to come back to life in the hearts of contemporary people with the wisdom of history.