Sunset returns through the portal when it opens again, wanting to make amends for the past. However, things get complicatred when she discovers a familiar dark artifact. Lured by a promise of power, can Twilight save her from herself a second time?
Sunset Shimmer, the Princess of Valor, is the happiest Sunset in all of the multiverse; A fact that will be painfully obvious to her, when she's cursed to travel the multiverse meeting other failed versions of herself.