Inspector Koo[8] (Korean: 구경이; RR: Gu Gyeong-i) is a 2021 South Korean television series starring Lee Young-ae in the title role, alongside Kim Hye-jun, Kim Hae-sook, Kwak Sun-young, Baek Sung-chul and Cho Hyun-chul.

The series is about the battle of a former police officer against a female college student who is a serial killer.

[4] It aired on JTBC from October 30 to December 12, 2021, every Saturday and Sunday at 22:30 (KST).

[9] It is also available for streaming on Netflix in selected regions.

[10] It follows the story of Koo Kyung-yi (Lee Young-ae), whose world is all about games and alcohol, as she digs into a mysterious serial murder case completely disguised as an accident.