Destabilized by Equestrian magic, Wallflower’s world is dying. For its sake, Sunset had to leave forever. All Wallflower can do is hold on to the last connection they still have: the journal Sunset left behind.
Sunset Shimmer is lost in a world that she can't move on from. Twilight Sparkle is lost in a world that moves on without her. Together, they each try to find their way again.
Sunset finds a letter in her locker from an anonymous writer. A writer she has forgotten about many times before. But some things aren’t so easily forgotten.
After her brother and Sugar Belle get together, Applejack decides it's finally time to give this whole "relationship" business a shot. Only problem is, she's gonna need a bigger mailbox...