After examining every major events throughout the history of Equestria. Twilight accidentally stumbles upon a single underlying fact about each one. There appears to be an unknown creature of alien origin present at each and every one of them. Just what is it? Why was it there at these events in the first place? But more importantly, is it a threat to Equestria or merely just some random coincidence?

No one knows... except for the one called 'Q'