Issei is a porn director in Tokyo. One night, he convinces a prostitute to shoot a sex scene with him. The prostitute strongly ressembles to Alexia, a Young girl he met when he studied in France.

A young Dutch woman, Rosa, comes to Japan to learn the art of preparing fish from Master Hon, the best fish-chef in the world. Against her expectation Rosa has to work in the cleaning-kitchen, together with other unpaid novices. Here begins her lonely journey through the alien and hierarchic world of the famous fish restaurant.

In order to settle a business dispute, a mob leader murders one of his own teenage sons. The surviving son vows to avenge his brother's death, and organizes his own gang of teenage killers to destroy his father's organization.