Set during the early Meiji era, Private Detective Shinjuro Yuki returns to Japan from abroad. He is trusted by Tokyo Metropolitan Police Department. Strange cases take place. Private Detective Shinjuro Yuki attempts to solve the cases. Meanwhile, Rie is the daughter of a powerful business man. She becomes attracted to Shinjuro Yuki.
People tell lies with words through their cerebral neocortex. However, the moment before a person speaks, the mental reflexes of the limbic system will be apparent.
