In 16th century Japan, a young man has to choose between becoming a master steel maker like his father and grandfather before him, or becoming a samurai so that he can help protect his village from attacks by the various clans which want the high-quality steel made there.
Members of SWORD win against Wangan Rengogun, which is led by Kohaku. The city becomes peaceful again. Nevertheless, the most brutal gangs, Doubt and Prison Gang, appear. They try to dominate the area controlled by SWORD.
Tokyo, Japan, 1989. Lucy Fly, a foreigner who works as a translator, begins a passionate relationship with Teiji, a mysterious man obsessed with photography.
In order to conceal past corruption by the government, the Kyuryu group proceeds on a plan to destroy a street and build a casino. To stop the Kyuryu group, members of SWORD begin to move.
Yu Kuroha, a female detective from the Kanagawa PD Mobile Unit, discovers bodies of fourteen men and women frozen to death in a rental container. When the wills of the dead persons were found, her boss decides to treat the case as a simple group suicide. But Kuroha persists that they have to find...