In the future, it is possible to quantitatively measure a person's emotions, desires, and every inclination. In this way, it is also possible to measure a person's criminal tendency factor, which is used to judge criminals.

This is the story of a team of policemen dedicated to maintaining public order. Some of them work in the Enforcement Division, responsible for the apprehension of criminals, while others belong to the Supervisory Division which oversees their colleagues in Enforcement.