Stefanie is the spunky 14 year old protagonist of the series. The daughter of a mechanic she's good with machines and growing up in the middle of nowhere and has always been fasinated by the world outside her hometown. She's kept tabs on the ongowing war between the human race and the alien robots the Metalloids most of her life in relative saftey. Her whole life changes though when she learns her father was actuallay a metalloid rebel  who's core is in her chest and contains the location of a dangerous super weapon that could put an end to the war.