In 2002, 2 years after the events of the second season, Saya returns to hunt another den of Chiropterans. Infiltrating a gang-ridden high school, Saya more than suspects the brutal set known as "ORGE" is just the latest mask of her blood-thirsty prey, but the one in charge of the Chiropterans appears to be Saya's Twin. Meanwhile more is learned of Saya's relationship with the US Government, her origin, and that of the US Government.
