"AD. The second part of the POLICE series, OVA animation, is divided into three parts. "FAINT VOICE": the story takes place in 2034, when human beings and sub-human "Buma" live together in Tokyo. In order to crack down on crime, "AD." A secret service organization called "BRANCH" has been set up within POLICE. While searching Buma's home, BRANCH's search officer "Baz Kubes" and his sub-human partner "Jinbao" found a large number of suspicious drugs. Do these mysterious drugs have anything to do with Buma's violent departure? "DREAMER": BRANCH's female search officer "Macpherson" met Eve, a super-high-end Buma prostitute, while investigating the series of sabotage of the female Buma. In order to pass on the image of the little girl in red dress and red hat she had been seeing in her dream, Eve rushed to see her old clients as usual. Who wants to appear in front of her is the red girl. KNIGHTS OF A ROUNDTABLE: BRANCH Minister Takahashi suddenly disappeared, but before that, he seemed to be working with some political magnate.