Thousands of years ago, three youngsters roamed the wilds together. Many things happened. Some were good, but others are better off forgotten. There are plenty of those. One has just resurfaced, one that Celestia would rather forget.
At long last, the Two Sisters have returned to what was once their home. They have some exploring to do. In doing so, how shall the gulf between them grow?
After years among the three pony tribes the Two Sisters fight their first great foe by themselves: King Sombra, the tyrant King of the Crystal Empire. Nothing goes as planned, everything, and everypony are not as they seem.
Why don't we know more about our princesses' past? Why do they always seem to be a secret? Twilight Sparkle believes she has just found another secret of theirs. And this one seems to be more about their family.
Onyx is a young crystal pony with a twisted mind. Starswirl the Bearded whisked him away from his home with promises of being his apprentice. Sombra is a strange creature who never wanted to be remembered. However, we don't always get what we want...