Sunset Shimmer hangs out around the Wondercolt statue with her dear friends, Twilight Sparkle and Rainbow Dash. They await the arrival of one Starswirl the Bearded to aide them in recovering and safeguarding magical mysteries he once left behind in their world.
Some mysteries of which he's only just now discovering for himself, however.
Part of the Anarchyverse. A sequel to All These Midnight Days, but you can read this without it.