Meet Deja, a creative, compassionate 3rd grader with a secret dream to transform her school. With a little bit of help from an unlikely source, she acquires a secret superhero identity and unique powers. She's now an unstoppable undercover superhero, known as Donut Girl. She laces up her purple sequin high-tops and gets to work. Armed with sprinkles, icing, and love, Deja is a formidable force against the evil powers spreading unrest within her school.