AU When a giant battleship foreign to the lands of Equestria and it's allies crashes just meters away from Canterlot Palace, the Mane Six are hurled into a whirlwind adventure that takes them across legends and myths and the very fabric of space and time itself.

The mysterious stranger that claims to be the original Rainbow Dash is on a hunt for justice and she won't allow anything to stop her in her quest for Celestia's demise. Her past is as shrouded as she is, and the Mane Six must uncover why their Elements of Harmony have ceased to work and how it's connected to the "original" Rainbow Dash. Most importantly, the Mane Six will be faced with the most difficult choice of their lives. And if they choose wrong, Equestria might not see another sunrise.