Sunset Shimmer lived a perfect life. Nightmare Moon destroyed it. When Luna seeks reconciliation years later, past demons resurface to threaten all that Sunset holds dear. Though she is willing, the question remains: is there a limit to forgiveness?
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.
Sunset Shimmer returns to Equestria only to find Twilight Sparkle battling a strange pony named Starlight Glimmer. Unbeknownst to Sunset, Starlight has altered the past, forcing Sunset to deal with reigniting her friendships all over again.
It's been almost a decade since the Battle of the Bands and Sunset Shimmer has been trying to clean up the mess she made. After series of unrelated crimes, Sunset, now known as The Phoenix, may need to finally ask for help.