Inspector Koo Guest cast, played by Bae Hae Sun Episode 1x02: Episode 2 (Oct 31, 2021) Episode 1x03: Episode 3 (Nov 6, 2021) Episode 1x04: Episode 4 (Nov 7, 2021) Episode 1x05: Episode 5 (Nov 13, 2021) Episode 1x07: Episode 7 (Nov 20, 2021) Episode 1x08: Episode 8 (Nov 21, 2021)
