Zenon is a mischievous 13-year-old girl who has lived all of her life on a space station with her family. Her curiosity gets her into trouble once too often and she's grounded, which in her world, means she's sent to Earth for her misdeed. In addition to learning how to handle gravity, Earth culture and Earthly teens, Zenon discovers an evil plot to destroy her space station home and must thwart the villain's plans.