In a poetic, philosophical exchange, two children of different races ask themselves why they are who and what they are, and speculate on how they could be different.
Penelope is an imaginative girl, whose every day has been rigidly scheduled by her mother--until one day she falls through a hole in her calendar and lands in the Realm of Possibility, where she discovers that it, too, is stuck in a track of time, and only she can save it.