Allen has enjoyed being an Earth pony. He has friends, gathers food, and life is good. But that all charges when he gets bitten by a bat. Soon, Allen starts to change; and everypony is noticing. Soon, Allen's life becomes night and day, upside down and right side up. But when his friends and family discover his new form, will they still accept him, or flee from the monster he has become? And how will Allen deal with this curse?