Detective Reiko Kure investigates a gruesome Yakuza massacre and rescues Nozomi Ema, a traumatized girl who had been held captive for months. While attempting to protect and heal the girl, Reiko discovers a sinister link between a series of demon-tattooed victims and Nozomi's own hidden torment. Nozomi eventually reveals a horrifying secret: a malevolent ogre resides within her body, emerging to commit brutal murders, leaving Reiko to grapple with the supernatural truth of the girl's suffering.