The Well of the World's End (Unabridged‪)‬

The Well of the World's End is a Scottish fairy tale, from the Lowlands, collected by Joseph Jacobs in
English Fairy Tales.

In the story, a girl's mother died, and her father remarried. Her stepmother abused her, made her do all the housework, and finally decided to be rid of her. How the girl, with the help of a magic frog, outwitted the stepmother is the gist of the story.