This story is a sequel to Pony Veracity (the Crystal Empire)

The celebration is cut short went Imperial Alicorn assault shuttle from the Seven sister star sector arrives for a surprise visit with the Silverlight Antiquities and heritage research team in the ruins of Equestria; aboard this shuttle is Queen Aphrodite Heavens, the sister of Empress Cosmos and great-grandaunt of Imperial Prince Justice Silverlight.

As the celebration is renewed with the visit of Queen Heavens aboard her 'IAS Northern lights, ' a strange signal is pick-up from the area on the planet of Equus called the sea of clouds. Imperial Prince Justice Silverlight pulls Queen Twilight Sparkle aside from the party and asks her about the signal from the sea of clouds. She recalls visiting Mt. Aris, and the Kingdom of Seaquestria went she was still a princess of Equestria. To back her up, ask Miss Rarity Radiance, who visited both places with her.