Hazel, raised by her adoptive father Arthur, is actually Zoe, the long-lost daughter of the powerful Sterling family. Unrecognized by her biological mother Luna and brother Damon, Hazel endures their cruel abuse and mecha arena humiliations to save Arthur. Meanwhile, the cunning Chloe steals Hazel's identity. When space pirates attack, Hazel must awaken her true mecha power, expose the imposter, and save the family that once rejected her.