While cleaning off the curses that Sombra had left behind, Shining and Cadance come across a hidden tower. From there they found the journal of the Fallen King and portrait of the Changeling Queen who they knew a bit too well.

Wanting to know what exactly had driven Sombra to his insanity, Cadance started to read his journal, only to rediscover the forgotten past between crystal ponies and changelings and love story between two royals that never got its happy ending.