This film is based on the legend of the snail hill in the east of Hefei. It tells the story of a fisherman who let go of a little red fish. The little red fish promised the fisherman three things. But the fisherman inadvertently leaked money, causing Diao Xiaosan to be jealous. The fisherman was repeatedly threatened by Diao Xiaosan and asked for money from the little red fish. In the end, Diao Xiaosan was turned into a snail story by the red fish girl.