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.
Cast
Main
Lee Young-ae as Koo Kyung-yi, an intelligent policewoman-turned-insurance investigator in her 40s who investigates a murder case.
Kim Hye-jun as K / Song Yi-kyung (real name), a mysterious college student and a passionate amateur theater actress.
Kim Hae-sook as Yong Sook (Director Yong), the director of a foundation.
Kwak Sun-young as Na Je-hee, the head of NT Life Insurance's investigation team.
Baek Sung-chul as Santa / Han Kwang-wook, Kyung-yi's assistant.
Cho Hyun-chul as Oh Kyung-soo, an investigator at NT Life Insurance.
In the table above, the blue numbers represent the lowest ratings and the red numbers represent the highest ratings.
N/A denotes that the rating/ranking is not known.
This series aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).
Awards and nominations
Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination
↑Sung Cho-yi is actually the pen name of two film writers who decided to write dramas together as a duo. This was revealed in an exclusive interview that the writers had with Cine21. As of 2023, they are currently signed under KeyEast.
↑Due to some unpublished ratings, the exact average rating is unknown.
↑Yoo Byung-cheol (November 8, 2021). '구경이' 신윤섭, 김혜준의 또 다른 희생양 됐다 (in Korean). Korea Economy TV. Retrieved November 8, 2021– via Naver.
↑Kim Ye-sol (November 20, 2021). '구경이' 김수로, 폭탄테러에 분노… 경호실장 폭행에 유기견 죽이기 '악행'['Inspector Koo' Kim Soo-ro, furious over bombing... 'Evil deed' to kill abandoned dog in assault by head of security] (in Korean). OSEN. Retrieved November 20, 2021– via Naver.
↑Yoo Jeong-min (November 22, 2021). 안신우, 김수로에 피해 입은 경호팀장으로 특별 출연...묵직한 존재감 ('구경이')[Ahn Shin-woo, special appearance as the head of the security team who was damaged by Kim Soo-ro... A heavy presence ('Inspector Koo')] (in Korean). Ten Asia. Retrieved November 22, 2021– via Naver.
↑Kim Seong-hyun (August 19, 2022). 서른, 아홉'·'구경이', 성평등 기여한 작품 '벡델데이' 선정 쾌거[Thirty, Nine' · 'Gu Kyung-i', a splendid feat selected for 'Bechdel Day', a work that contributed to gender equality] (in Korean). YTN. Retrieved August 19, 2022– via Naver.
↑Jeon Hyung-hwa (August 19, 2022). 구경이' 이영애, 시리즈 부문 벡델리안 선정..'옷소매..' 백델초이스5[Gukyungi' Lee Young-ae, selected as Bechdelian in the series category..'Clothes..' Baekdel's Choice 5] (in Korean). MT Star News. Retrieved August 19, 2022– via Naver.