Fillies can be mean, and no one knows that more so than Fluttershy's baby sister Blossom. Being born mentally handicapped, she has to take abuse from her peers daily. Fluttershy had tried her best to protect her but her plans did not quite work
A peaceful day watching the Butterfly Migration, quickly turns disastrous for Rainbow Dash and Fluttershy, but through a terrible event, they come to find something new, something... magical.