When Rainbow Dash realizes that the ponies around her could be experiencing what she was feeling from the mysterious dark cloud that has opened up in the sky above her head, she knows she has to do something about it- what she doesn't know is that if she does, she may never see her friends again. Follow the adventures of Rainbow Dash and her five best friends (and a tag-along mare) as they embark on a journey to try to rescue the loyalest of all pegasi, and as the winged, rainbow-maned pony struggles to find the faith in herself to stay colorful- inside and out.