How did Princess Celestia come to be an alicorn? It's whispered by the ponies of Equestria that there once was an alicorn tribe. But it's also said that they're all gone, vanished into the Everfree Forest long, long ago. However, they're not gone, simply in hiding, but circumstances occur that may drive the tribe out of hiding. It's up to Serpent Fang, an alicorn seer, to warn the Princess of the dangers posed to the Hidden Tribe while Falcon Wind, their chief, fights to protect them from the growing the dangers.