There was once upon a time a woman who had an only daughter. When the child was about seven years old she used to pass every day, on her way to school, an orchard where there was a wild plum tree, with delicious ripe plums hanging from the branches. Each morning the child would pick one, and put it into her pocket to eat at school. For this reason she was called Prunella. Now, the orchard belonged to a witch...