In an alternate history Tokyo in the 1960s, riots are raging... The Capitol Police Organization (CAPO) has been established as an unique police unit. The toughest jobs are assigned to the special unit inside CAPO. According to rumors, some of the individuals in the team are members of the Wolf Brigade, a vigilante group. Fuse, a special unit member, obsesses over a terrorist girl who blew herself up right in front of him. Then he meets the girl's sister and falls in love with her...