Two siblings where coming back from school, but in the way home an unfortunate accident occur, and now both of them wake up in a new and unknown world, together they must find the way to get back home
A seven year old boy, suffered a strange and bizarre accident on his birthday, after that he encounter himself in Equestria in a new and very strange body as he is found by the ruler of that land.
A young woman, who knows little about MLP, find herself in the world of Equestria with a strange but familiar body with others who had experience the same change