Detective Yousuke Kobayashi is on a case involving a series of brutal murders. When his very own girlfriend's dismembered body is mailed to him in a cooler, he is pushed over the edge: eventually tracking down the murderer and savagely killing him. During his murder trial he declares that his name is not Yousuke Kobayashi, but Kazuhiko Amamiya. Sentenced for murder, he is eventually diagnosed as suffering from Multiple Personality Disorder... However, it is only a matter of time until he is released back into the world to begin his detective work once more...
Drifting Petals/Memories Of Sin: A sadistic criminal is turning his victims into human flower pots. Detective Kazuhiko Amamiya is called out of early returement to work on the case, which is tied to horrific events in his past. His new wife goes missing and a mysterious cult with barcodes tattooed on their eyeballs surfaces to wreak havoc on the city.
How To Create A World: A brutal serial murderer cuts babies from their mothers' wombs. All of the women have barcodes tattooed on their eyeballs. The victims, under some sort of hypnosis, purchase the surgical quality knives used to kill them the day before their murders! As Amamiya's wife wanders the city in a trance, he discovers someone from his past is involved in the crime wave.
The Life Constructed In Double Spiral: Chiaki Kuriyama (Kill Bill) guest stars in this episode, which finds Detective Amamiya and the police team investigating the mass suicide of forty high school girls. Amamiya goes undercover as a high school teacher to find out why and learn more about a new generation of barcode carrying humans, many of whom are students.
Smashed Ants: Perfectly severed body parts with numbers cut into them are discovered in a field. In a nearby arcade, tow rival gangs battle each other and Amamiya's wife is taken prisoner by a gang leader. The Police chief tries to uncover Amamiya's hidden past with the help of a one-eyed snuff director.
Coronation Of The Cursed King: Cult members spontaneously combust when the barcode network is infected. The burn victims are taken to the local hospital where a lonely employee's cyber-girlfriend tells them to kill people. Detective Amamiya and his team lock down the hospital, while strange things happen on the secret 13th floor.
Ascension Of Spirits And Bonds Of Mankind: The police department denies that the barcode case ever existed in a massive cover-up attempt. The Police Chief's entire family dies under mysterious circumstances. Amamiya tracks the baby-stealer to a remote cabin in a snowstorm for a final showdown to recover his own missing child.