In recent years, the number of violent crimes has been increasing rapidly. In order to arrest the criminals and solve the cases, the police's scientific research center, Forensic Investigation Office Section Nine, has begun investigating cases using MRI. The image produced by the extracted crime of the victim shows not only the suspect, but also the victim's entire memory. - Opening scene of the series.
A new member of Section Nine, Ikkou Aoki, who've been hired for his ability to read lips (the MRI scans only show the images of the person's memory, not the sounds), soon finds out that this job is far from a stroll in the park, because they won't only see the culprit, but also the personal life and secrets of the persons whose brains they scan.