The world of Equis is almost dead. Celestia, Luna and all the species that remain stand frightened as the army of unknown shadowy creatures come to claim their chosen children.
Zecora hates her little hut. The path is always silent, and the door is always shut. Will she choose her last relief, or will she suffer through her grief?
The Seventh Doctor's visit to his former companion, Alicorn Celestia of Equestria, becomes a trek through the mind, dreams, and soul of Princess Luna to try and avert the crisis of Nightmare Moon.
Sometimes curiosity is simply that. Sometimes it's something much deeper, almost like the pony is searching for more than just knowledge... like answers.