In the operation to annihilate an arms smuggling organization a year ago, Special Investigator Akari Niimura of the Public Security Maintenance Force SSA went missing during the mission. Unable to accept this report, young special investigator Ayumi Shioi infiltrates the scene of the incident alone to uncover the truth behind her senior's disappearance, using the 'Shioi-ryu Martial Arts' she inherited to take down terrorists one by one. However…
