Tokyo 2027 AD - After suffering a colossal earthquake, the devastated capital is now a huge slum district vandalized by the evil Boomers, an artificial life form born as a result of biotechnology gone wrong. In order to put a stop to their atrocious crimes, the police has organized a special task force unit armed with state-of-the-art technology. They are Advanced Police, or as people usually refer to, AD Police. The story is a recording of their cases, filled with madness, blood and gun smoke. In the first episode, "The Phantom Woman", our protagonist Leon encounters a female Boomer illegally reactivated after being shot to death, by him. And the only wish she has is to be shot to death again by Leon...