A brony snaps awake to find himself a cutie-marked changeling falling from the sky. Rescued by Rainbow Dash, he learns that Discord pulled him to Equestria on Celestia's orders to bring about the most fundamental transformation pony society will ever experience. Blue Dreams begins a new life of flying, friendship, and a business called Wireheads, slowly discovering what exactly his special talent of Emote Control and the powers of his new form will entail for this other world.

Meanwhile, questions of singularitarian importance are explored. Why was Twilight's magic so affected by the first sonic rainboom in modern history? Why was she the only mortal granted alicorn immortality in recorded history, or was she? Why doesn't Ditzy Doo wear glasses? What's Pinkie's explanation? Why Blue, why now, and will he ever see his family again?