From a young age, Ditzy Doo knew she wasn't like most ponies. Jinxed and uncoordinated, she was shunned from all social circles as she grew up. When a friend finally comes her way, Ponyville's residential mailmare will surprise everyone—including herself—when she demonstrates how far she's willing to go to keep that friendship.

Everyone has an imaginary friend growing up: a stuffed animal, a companion to guard us when the monsters come knocking and the like. We know them and love them; they mean everything to us. But have we ever stopped to ask what we mean to them?