There was one secret that Rainbow Dash had kept from her friends, one that they could never believe. A secret that gives a certain villan a chance to destroy their friendship, and the elements.

What happens when somepony finds out about this secret?

Inspired by all Rainbow Dash changeling stories. <~ BIG spoiler that will be spoiled in the first chapter.

Takes place between Season 4 Finale and Season 5 Premiere.

Edit: Added the tag 'Alternate Universe' because the story ingnores the season 6 finale canons.

Edit 2: Ignores canons from the episode "Parental Glidance".