Practising for the next Young Fliers Competition, Rainbow Dash plans to make history by being the first pegasus in living memory to pull off a Double Rainboom. Unfortunately, she crashes into Ponyville's favourite mailmare, the adorable Derpy...
After it all, after what I had to do to protect my realm, she promised me quit, a treacherous voice hissed. She promised me that I would be mourned, my duty honoured, and my life forgotten. How easily the trappings of power overcome such a promise.