Sunset Shimmer, seeking the source of a keepsake left by an old friend, finds herself at Friendship Academy. However, upon meeting the strange mare, Starlight Glimmer, her life is consumed by the myth of the alicorn and the power of miracles.
Watching an old fantasy game on television, Rainbow Dash can't stop talking about it much to Sunset's annoyance. But, when the game becomes real, the two along with Pinkie Pie and Twilight must do all they can to survive.
Sunset Shimmer must save Termina, a parallel world to Hyrule on the verge of ruin. By her side is her friend and mentor, Princess Twilight Sparkle. Can Sunset overcome the odds stacked against her?
Sunset Shimmer was simply enjoying a night indoors with her friends, but the magical energies of the human world which clashed in Rainbow Rocks has caused something unexpected to happen.
Sunset Shimmer, Twilight Sparkle, total opposites, the bad girl, and the studious girl. But one fateful night will change everything for them, and quite possiblly the world.