A sex-obsessed woman, a suicidal man she meets on the street, and a gun-crazy wannabe gangster become trapped in an underground hideaway.

An assassin trained as a ninja carries the code name M. Hayami is a yakuza boss and a divorced father who is not allowed to come near his young daughter Mutsumi from his ex-wife Kazuko. In the big port city of Yokohama, M targets Hayami, who has angered the president of his group.

Lady Snowblood is caught by the police and sentenced to death for her crimes. As she is sent to the gallows she is rescued by the secret police who offer her a deal to assassinate some revolutionaries.

Two escaped convicts arrive at the summer villa of the chairman of a large company.

Reiko Oshida stars as a young wannabe gangster tough girl, just released from reform school. She tracks down one of her classmates fathers, who runs an auto repair shop that the local Yakuza are trying to force out of business and take over, and starts working for him. At the same time a recently released from prison, and now ill Yakuza is trying to make a new life for himself and his girl, a friend of Reiko's, who also just graduated from reform school. A fateful car crash brings the two on a collision course with each other and the brutal Yakuza clan, which can only end bloody vengeance.

Ryuzo Miyazono, the chairman of a large corporate group, is spending a long summer vacation with his family at a villa. However, the summer is coming to an end, and on the night before he is to leave the villa tomorrow, an intruder suddenly appears at the mansion.