When Princess Celestia disbands Her Government's Security Directorate, what hidden darkness will be revealed? What will be released? And what, if anything, can be done in response?

A nameless city stands as a monument to a dead civilization, a kingdom of ponies that predates Equestria. Many have tried to pillage its secrets. Few who entered ever returned. What secrets await the Doctor in the city of pillars?

Between adventures, little Octavia discovers beautiful, magical creatures in the forest.