Inspector Koo (2021) Drama: Plot, Cast, Trailer, Updates

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  • Other Titles – Koo Kyeong Yi, A Wonderful Sight
  • Director – Lee Jung Heum
  • Screenwriter – Sung Cho Yi
  • Genre – Thriller, Comedy
  • No. Of Episodes – 12
  • Airing Period – Oct 30, 2021 to Dec 5, 2021
  • Duration – 1 hr 10 min
  • Network – jTBC, Netflix


Koo Kyung Yi, a brilliant insurance investigator who used to be a police officer, enjoys solving cold cases for the thrill of it, and she comes against a female college student who is a serial killer when she begins investigating a mysterious murder case.


  • Lee Young Ae as Koo Kyung Yi
  • Kim Hye Joon as Song Yi Kyung
  • Lee Hong Nae as Keon Wook
  • Baek Sung Chul as Santa
  • Jo Hyun Chul as Oh Kyung Soo

Teasers & Trailers


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