An elite superhuman agent must stop a foreign military unit from seizing control of an ancient artifact that holds the key to ultimate power.
Kenichi is a half-Japanese, half-Chinese man of the underworld. You can sell him anything except children's organs. His domain is in Kabukicho, a gangland controlled by various Shanghai gangs intent on taking control. His former partner-in-crime, Fu-Chun, is rumored to have returned to Kabukicho, having fled years earlier after killing the number two of gangland boss, Yuan. Yuan wants to get even and attempts to do so by using Kenichi.
Computer engineer Takashi notices that a microchip is protruding fro his head. He contacts a notorious hacker for help. Meanwhile, Takashi's world is turning upside down. He's robbed at knifepoint & then chased through the crowded Tokyo streets by a giant. Or maybe not. Perhaps the microchip is only making him think these things are happening. Soon he realizes there's a connection between all the bizarre traumas and a girl named Masami. Seemingly, all his troubles started when she visited his repair shop and asked him to fix her cd rom-unit. Eventually Takashi finds himself psychically linked to the girl. As it turns out, they are secret government-made humanoids, programmed to live undetected within society an then - when the need should arise - they are activated as professional fighters; The action of the movie itself plays like the Defender arcade game.
A gang of evil ninjas has stolen the sacred sword of the Lady Mayu and are demanding that her family exchange her for the family treasure. The world's greatest swordsman, Shuranosuke Sakaki, is called in to get the sword back.