Things weren't making sense. Ponies, not-Ponies, and even an entire Empire had been erased from history, and no one knew why. So what does Twilight Sparkle do when something doesn't make sense? Research it until it does.
She heads out to the castle in Everfree. There she meets the Forest Guardian, who shows her where to look. Of course, the answers raise more questions. That, and she wonders if she can trust the word of some stallion that could really be a cute forest-dwelling conspiracy theorist.

Part of the Cornerverse-MLP Universe.