A police officer is recruited to a special agency and given a license to kill. He is given a dozen or so young policemen and a bar as a front. Meanwhile, girls are disappearing and the friend of one girl is searching for her. It turns out the girls are being kidnapped and sold into bizarre kinky sex games to rich industrialists by a megalomaniacal corporation. One of the young deputies becomes involved and finds a friend of his (the boyfriend of the searching woman) is involved.
음대에 다니는 "하시모토 코우(橋本巧)"는 오토바이 "카와사키 W3"를 타고 "프레스 라이더(보도기관전문 퀵서비스)" 아르바이트를 하고 있었다.
"코우"는 장거리주행 휴가중에 우연히 만난 아름다운 여성 "시라이시 미요코(白石美代子)"..., "미요(ミーヨ)"와 사랑을 하게 된다.
"미요"는 "코우"의 오토바이에 강한 흥미를 느끼고, 이륜면허를 취득하여 점점 오토바이에 빠져들어 간다.
"미요"는 "코우"가 혀를 내두를 정도로 오토바이에 대한 센스를 보이고, 결국에는 대형이륜면허마저 취득한다.
하지만, 두 사람은 오토바이 문제로 다투게 되고, "미요"는 자신의 고향인 세토나이카이(瀬戸内海)의 섬으로 떠나간다.
"코우"는 뒤늦게 그녀의 섬으로 향하는데...
Following a stint in reform school, Ryu (Shinsuke Shimada) returns to his home, the Minami area of Osaka, accompanied by his new friend Ko (Takeshi Masu). He's greeted by his friends, Chabo (Ryusuke Matsumoto) and Ken (Bang-ho Cho). They seek to forge their own path through a multitude of rival gangs in Kita and Minami, including the Hokushin Alliance, backed by the yakuza, the Hope Association, and various other minor factions, including Zainichi Korean groups. What follows is a wild, fast-paced story of violence, revenge, betrayal, and discrimination, that never loses its sense of humor.
