In the alicorn kingdom of Asgard, the story of the first Hearts and Hooves Day played out. We all know how the story ends. A dragon came. A kingdom fell. And Chaos reigned.
You are...you can't remember, so lets just go with Anon. You are Anon, and you have arrived upon Equestria as the result of a magical spell cast by Twilight Sparkle...your new roomate.
Wheatley has been in space for quite some time now. He and the other cores which had been used to corrupt him receive an offer to return - On one condition. They must establish peaceful contact with an alien world. It goes as well as you'd think