Since losing her parents in a house explosion at age nine, teen high school graduate Aurelia Easton has lived with her kind hearted foster father Valiant Lake, a middle aged man who has no interest in marriage, in northern Seattle, Washington. While watching the sun go down outside her foster home the night before her eighteenth birthday, Aurelia is kidnapped by the robotic being Star Scream, whose master intends to bond himself to her and have her be turned into a female robotic being.