Rainbow needs Twlight's help to prepare for an upcoming race, and she makes Twilight Pinkie Promise to help her, because everypony knows you never break a Pinkie Promise. But then Applejack asks for Twilight's help at the same time she's supposed to be helping Rainbow. Will Twilight break her promise, and if she does, it that the last we'll ever see of her?

This is a short fic written for Nonpareil Fictions minimalism contest. Go check them out if you're looking for some good reads.