When Rainbow Dash's speed during a new trick turns out to be too much for her own good, she comes to realize how important she really is when she finds herself in a war-torn version of her old home.
Each night I’m trapped in the dark, immobilized. I hear whispers as they operate on me: they say I shouldn’t be alive. Twilight refuses to tell me about the operation. Sometimes she can’t look me in the eye. What did they do to me?
Rainbow Dash has been enduring bizarre aches and pains for the past few days, and she isn't sure why - though it may be because of everypony's strange behavior around town lately.