The story takes place in 2035 in the Pacific island city-Xuejianze. After the "Eternal Night" incident four years ago, the communication with the outside world was completely cut off. Mysterious incidents occur frequently...

The social order collapsed and rebuilt, and a new city governing body called Navi was established.

Jian Shenxiu, as the leader of the organization specially established by Navi to deal with mysterious events, leads the search bureau to investigate and solve various strange events in the city. They unraveled the veil of the major forces of Xuejian Ze step by step, wandering, confronting and balancing among them.

In the investigation of each case, Jian Shenxiu gradually got a glimpse of the law behind these mysterious events, and the "truth of all events" gradually surfaced...

Goblins absorb the spirit of heaven and earth and are not contaminated by the calamities of the mortal world. They are the supreme existence of the demon clan. They forge a treasure in their lifetime, and every time they appear, they cause bloody storms!

Ye Qingchen, a time traveler with a mysterious background, emerged from the Sin Continent holding the broken sword Mo Ran, vowing to subvert the rules of the three religions. He believed that the Tao could be reversed, and his Tao was evil!

Thick fog hangs over the airport, international flights are delayed, and an ace agent from the Space Survey Agency navigates a polar vortex. Enduring severe turbulence, his passport expires, and his luggage is lost, he finds his own body on the baggage carousel, clutching the pendant of his ex-girlfriend, whom he had just met thousands of miles away in New York City. On the tarmac, at the airport control tower, in the cockpit, in the first-class cabin, even on communications satellites... Mysteries unfold in every corner of the sky and on the ground. Who is behind this? Under the vast sky, when will the mystery lift?

Time flows on, things change, and people are no longer the same. Looking at the lifeless hands, touching the no longer beating heart in the chest… the solitary figure, spanning millennia, remains silent. Finally, a faint sigh rises in the morning breeze. The mad demon has vanished, leaving only the traveler known as the Doll. Silver hair, silver eyes, clad in black, the world sings the song of the nameless. From where does it begin, and where does it end, it wanders through mountains and rivers, traversing the seasons and snows… Traveler, why do you not stop your journey? Beneath the hood, a slight purse at the corner of the mouth, touching its silent chest, the Doll… does not answer.