One day, a little boy named xiaolu is catching dragonflies in his yard. His mother comes out of the house and tells him that something strange is happening. . He goes to investigate and finds that the sound is coming from a well in the backyard. He asks his mother what's going on and she tells him to play with her. He finds that someone is hiding in the well and asks her to come out and play with him. She says that she'll kill him if he does. The hostess and her servant come up with a plan to kill the little boy. The whole family dies or runs away.