The Dazzlings return to Equestria after the events of Rainbow Rocks. After that, they meet a pony named Sapphire Shores who will reform them into one of the best musical groups in Equestria.
Sassaflash works together with her five friends Medley, Dizzy Twister, Cloud Kicker, Cloudchaser, and Flitter in an effort to clear their names after the Cloudsdale Weather Factory electricity division's machines are stolen by somepony else.