rainbow Dash and Pinkie Pie's surprise
Rainbow Dash was looking through her photo album when she silently let out a tear.
In the photo she was looking at was a picture of 3 pegasi and an earth pony. The 3 pegasi were her parents, herself and the earth pony in the picture was fully pink with blue eyes. In the picture her mother was holding her, and her father was holding the pink earth pony. Rainbow Dash was a newborn in that photograph
One day when she was about 7 years old she saw the photo of her, her parents and a pink Earth Pony she did not recognize. As far as she remembered she was an only child. So Rainbow asked her mother about the pink earth pony in the photograph, and her mother explained to Rainbow Dash that the pink earth Pony was her twin sister. Rainbow Dash's mother explained that
Back to the Present Day
Rainbow Dash really needed to know who her twin was and perhaps if she is still alive at a;;