Trapped on an long-dead world, the ponies of SG-1 accidentally awaken an ancient, dormant evil. With their lives at risk, they must team up with some unlikely allies if they are to survive and save the galaxy from destruction. What they find uncovers a story stretching back to the origins of their entire species.

A reimagining of the Stargate SG-1 story, set within the My Little Pony universe.

Over the course of a single day Lavender Breeze's life was destroyed. Regretting all the things she's lost, she longs for closure.

Then in her darkest moment, she comes face to face with the thing she hates the most, the thing she blames for everything that's happened.

"United together as part of this world,
Our intentions combined, our purpose the same,
Gath’ring the six, we seek out another,
Part of the essence from whence we all came."

Some worlds are real, others merely fiction. But all are equally true. Their boundaries lie only in the thoughts and imaginations of those which inhabit them.

Drawn out of her world by an unknown force, Princess Celestia begins to learn about the true nature of her reality, her world's place in the cosmos, and herself.

An eternity is a far too long to keep a secret.

When Princess Celestia is warned of a threat to Equestria, one with the potential to tear the world apart, and ultimately steal her own sister from her, she vows to devote her life to finding a way to avert this disaster and save all those she loves from their fate.

Deep down, however, she knows that she can never truly achieve this, and that protecting her sister completely would require sacrificing everything else.

The Codex, compiled by Celestia herself, is the only full account of the events, spread over millennia, which led to her greatest loss, and her efforts to redeem her sister and restore the world to its natural balance.