Rainbow Dash sets out to defeat the legendary witch Twilight Sparkle and collect the five hundred million bit bounty on her head. The one thing she wasn't counting on was Twilight being less evil than she expected.
A strange artifact separates and casts Twilight and her friends across the multiverse. Now each one of them must fight to get back to their original universe, no matter the peril they will meet in those strange yet familiar lands.
When Twilight Sparkle awoke from a coma with amnesia, the first pony to greet her back to the world of the living was Rainbow Dash. They were close, once, and Twilight knows that she can trust Rainbow Dash to help her through her life in Ponyville.
Princess Rainbow Dash and her friends have found themselves in the newly restored Crystal Empire, and now struggle against the forces of Queen Chrysalis and the enigmatic King Sombra in an effort to reclaim Canterlot and save Equestria.