This is a short story of how a mare named Faust finally managed to get home after so many years of being lost in another dimension. Her efforts and motivation were simply because of her one wish, the wish to see her daughters again...
For centuries a certain alicorn has been trapped in another dimension. When she finally found a way home, her spell went wrong, and it pulled a human consciousness in with her. Now the two live as separate personalities in the same body.
Lauren Faust returns to the land of Equestria once again, this time to go after her daughter that has gone in through a hole in the wall, chasing a blue griffon.