When your main objective in life is to be the Earth's protector, other wants and needs of a typical teenager just have to wait. So goes the life of Jenny Wakeman, a sensitive high-schooler who also happens to be a state-of-the-art robot called XJ-9. The series revolves around Jenny's desire to do what she wants, like be a normal girl and spend time with her friends Brad and Tuck, instead of what she was created to do: stop the planet from certain disaster.