JTBC's new drama 'Inspector Koo' is an investigation-comedy about a 'constantly suspicious' investigator named Koo Kyung (played by Lee Young Ae) Koo Kyung is a character who can't stand it when there is a delay in an investigation. The series also marks Lee Young Ae's return to the small screen after four years, and many have high expectations for the veteran actress's unexpected transformation!

In the 16-second-long short teaser video, Lee Young Ae's impactful acting immediately captivates. The teaser video begins by showing viewers the back side of a woman playing a video game inside a dark room. She is completely sucked into the screen as she is heard saying, "Kill them all. Kill them all." The woman's face is then revealed to be Koo Kyung. Her hair is tangled and her shoulders are hunched. The teaser video succeeded in heightening the curiosity in the character of Koo Kyung, and how Lee Young Ae will be portraying her.

JTBC's 'Inspector Koo' is scheduled to premiere in October!