Both being a member of the SIT police unit, Izaki Motoko and Kadokura Misaki have to deal with really difficult cases. One of these cases leads to Kadokura being held as a hostage and eventually being harassed, causing a scandal in the newspaper. As a consequence, Kadokura is transferred to another department, now being entrusted with the case of Toshinorikun, a boy who was held hostage by the same man months ago. Meanwhile Izaki gets the offer to be the first woman to join SAT, which she does accept. Although they are now going seperate ways, both woman meet again while searching for Jiu, a blonde haired guy, who is said to be responsible for a lot of crimes, including the one of Toshinorikun.