Starlight went to get some fresh air, when a comet suddenly crashes in the yard, leaving a mystery stallion in the impact. He's taken into the care of everypony, where he reveals a secret power.
My name is Twilight Sparkle, and this is an unofficial record of my experiences serving as an agent of P.O.U.T. Yes, it's against regulation, but buck regulation. I'd rather not fall apart when it counts and the documentation keeps me sane.