Eva Nine is a fearless twelve-year-old girl who has never seen another human being all her life, even though she is raised by a robot called Muthr. One day, a wicked huntsman, Besteel, destroys her underground home. Her quest is to find other humans like her. Eva discovers a faded image of a little girl, an adult human, and a robot on it, along with two words that giver her a clue: WOND LA.