When Mara Shin’s little dog Toto runs away, she does what any teenage schoolgirl would do and runs after her pet. Following a mysterious Yellow Brick road, Mara suddenly enters in to another realm known as Oz. The mysterious inhabitants in this land begin referring to Mara as Dorothy, much to her chagrin and confusion. She knows they are not in Seoul anymore, and she has not the slightest idea how to get back home.