After Choi Young-Jin (Kim Hee-Ae) takes time off from work, Ko Yoon-Jung (Kim Sung-Ryoung) becomes t...
After Choi Young-Jin (Kim Hee-Ae) takes time off from work, Ko Yoon-Jung (Kim Sung-Ryoung) becomes the new detective squad chief. She returned to South Korea after training with the F.B.I. in the United States.
