The protagonist Xiang Yang was adopted by a family in Lingcun since he was a child. There is only one family living in Lingcun, and this family is the coffin bearer. In other houses in the village, there are coffins sealed with ink lines.
There is a special coffin that needs to be moved to a very sunny place every ten years. It is buried three inches vertically in the ground to separate the yin and yang. It is also exposed to the sun to absorb the yang energy and suppress it. However, there is an ancestral instruction not to go out every night in that place for ten years.
When two Taoist priests came to explore the final source of the curfew in the city during a trip, they accidentally injured Xiang Yang's sister. Xiang Yang, who loved his sister so much, closed his eyelids, and the Yin Qi spread, and a demon appeared when a mortal closed his eyes -
I haven't seen anything like this in a long time]