In the near future, public order is maintained by the Sibyl System, which quantifies and manages people's souls. Detectives judge before committing a crime with a gun that measures the numerical value related to crime. Arata Shindo and Kei Mikhail Ignatov, are newly appointed rookie inspectors of the Criminal Division 1. Feeling uncomfortable with the crash of a large transport drone that they are in charge of, they start their own investigation and find the shadow of the criminal who planned the accident...!?