Royal Revenge

Tora is a changeling. She has lived her whole life in the human world but is now craving revenge. Revenge on her mother. Her mother is the queen of the feary realm. When Tora was born, her mother gave her away to a human family because her mother wanted a male to carry on the family crown. Tora, with her extrodinary memory will not let her mother get away with this. What will she do to get back at her mother?