Xie Duan, a lonely young man, rescued a big snail in the field. After returning home, hot meals and dishes appeared inexplicably every day, and he accidentally broke into the snail and turned into a woman, Baishui Sonu. In order to repay her kindness, the snail girl stayed in the mortal world, giving up her immortal life and willing to become a mortal. She spent half her life with him, gave birth to children, and stayed together until her hair turned white.
