Moss, who has lived with his parents in the city since he was a child, returned to Nancun where his parents lived after their parents died one after another according to their wills. The leader, Uncle Mo, the gatekeeper, Grandma Lin, and the fact that there had never been a child in the village, Moss did not notice any of these abnormalities.
Until, one night, Moss went to the inexplicable lake that Uncle Mo had always told not to go to at night. She found that everything in Nancun was different from the outside world... Grandma Lin never seemed to sleep, Uncle Mo never went out after the sun went down, there were obviously no children in the village, but there were always children crying at night...
All of this seems to have an inseparable relationship with Moss... During the exploration process, the truth is revealed bit by bit, but there seem to be more and more secrets...