The grown poor miller will be made rich by the fairy of water if the miller gives her that "ardent animal" he has been unaware of it. But this "ardent animal" is just their own child. They protect the child in vain. The fairy of water nevertheless abducts him then separates the miller from his wife as well. The wife, with the help of a mysterious old woman, track down them but the fairy of the water separates them again. As in every tale, they meet again at the end of the story- and they are going to have a lot of children.
