Luna's followers declare war on Equestria.

Out of fuel, a human has traveled to Equestria in hopes of getting more to continue his flight through the stars. What he doesn't expect, however, is for the planet to bear sentient life; and they do not appriciate the intrusion.

Let us go back 1000 years in the past, shall we? Let us see what happened in another Equestria, where darkness is more powerful than light...