Special Affairs Team TEN(2011)

(Special Group No. 10) is a unit of the criminal department that deals with most violent crimes in South Korea. Less than 10% of arrests are for these crimes. The group pursues serial killers who attempt to commit large-scale crimes." Yeo Ji-hoon is a former first-class detective who now teaches as a professor. He later becomes the head of the special group number 10. Ms. "Nam Yi Ri" has been a detective for four years. He joins the special group number 10 because of his intellectual reasoning power. Baek Do Sik has 24 years of experience as a detective. He has a great sense of understanding and discovery, which he has gained from his many years as a detective. "Park Min Ho" is a rookie detective. After impressing Professor Yeo Ji-hoon with his reasoning power, he joins Special Team No. 10.