Sunset Shimmer awakens in a cold and distant land, with no recollection of how she got there. With ravenous beasts and blood-thirsty mobs after the flame that she carries, Sunset will need all her wits to survive this deadly night.
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 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?
The gates of the underworld are opening for the first time in two thousand years. It's up to Sunset Shimmer, demon hunter extrordinaire, to slam 'em shut.