Rainbow Dash never knew her mother or had any siblings to speak of. Not only that but her father was a rather secretive stallion. The same was true for three other big headed mares Lightening Dust, Trixie Lulamoon and Suri Polomare. When a motherly unicorn stumbles into all of their lives during times of hardship
they'll learn a surprise about their family they never would've guessed .. They're royal changelings!
Co written by just a random Pegasus