"You are not allowed to become a spirit after the founding of the People's Republic of China" - this is not a joke, but an iron law cast with countless blood.
In 1950, a surveying and mapping team went deep into the Ailao Mountains and broke through the millennium fog, almost wiping out their entire army. The only survivor brought back a piece of bronze with eight words engraved on it: There is a spirit in the mountain, don't disturb it...
Sixty years later, a baby of unknown origin was found at the foot of the mountain and named Xiahou Chuan. His blood can rejuvenate dead trees and loosen seals - those "them" who have been suppressed for a period of time are slowly crawling out of the cracks in the ground...
Murong Su, the director of the Operations Division of the Ninth Bureau who was ordered to investigate, always carries a black umbrella...
As the investigation deepens, the huge secret hidden deep in Ailao Mountain is slowly revealed - in the abyss that has existed since the pre-Qin period, three seals suppress an ancient candle dragon that fell into the evil way...
Is he a human or a demon? Is it a key or a lock?
A remnant of the mountain guards that has existed for thousands of years, a mysterious man in black robes codenamed "Priest", an ancient being who always wears a white mask, a shocking conspiracy that spans the worlds of humans and monsters - everyone's eyes are focused on this twenty-year-old young man...
The thing behind the door is opening its first eyes...
And the time left for everyone is only the last three days...
