Season 1 poster

Season 1

(2021)

Cast

Lee Young-ae as Koo Kyung-yi
Lee Young-ae

as Koo Kyung-yi

Kim Hye-jun as Song Yi-kyung / "K"
Kim Hye-jun

as Song Yi-kyung / "K"

Kim Hae-sook as Director Yong
Kim Hae-sook

as Director Yong

Kwak Sun-young as Na Je-hui
Kwak Sun-young

as Na Je-hui

Baek Sung-chul as Santa
Baek Sung-chul

as Santa

Cho Hyun-chul as Oh Gyeong-su
Cho Hyun-chul

as Oh Gyeong-su

Lee Hong-nae as An Geon-uk
Lee Hong-nae

as An Geon-uk

Episodes

Episode 1 poster

Episode 1 0.0

October 30, 2021

In need of a big win at work, Na Je-hui plays on Koo Kyung-yi's strengths and weaknesses to enlist her help on a missin…

Episode 2 poster

Episode 2 10.0

October 31, 2021

Kyung-yi suspects there's more to this accident than meets the eye. Reuniting with an old classmate, Song Yi-kyung hear…

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November 6, 2021

A news story about a criminal's light sentence establishes the next target for "K," who sets the scene at a bustling un…

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November 7, 2021

Santa's chase after "K" puts the team on high alert, especially Kyung-yi. A spooked co-conspirator distances himself fr…

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November 13, 2021

Jung Jeong-yeon thinks back to a traumatic incident in her niece's past. Following a hunch that "K" might leave the cou…

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November 14, 2021

Kyung-yi sifts through Yi-kyung's playbooks to find out the next target. An outcast's account takes the team to an IT c…

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November 20, 2021

In a high-stakes game of cat and mouse, Kyung-yi tries to find and stop the deadly plans Yi-kyung has set in place for …

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November 21, 2021

Yi-kyung's loss plunges her into a world of reckless darkness. Both Yi-kyung and Kyung-yi seek answers on the inexplica…

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December 4, 2021

Yi-kyung joins hands with Yong-suk, replacing a down-in-the-dumps Kyung-yi who falls out of favor with the strong-hande…

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December 5, 2021

Kyung-yi inches closer to finding out the truth behind the boat party. Yi-kyung tries to escape the suffocating grasp o…

Episode 11 poster

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December 11, 2021

Yong-suk begs for Kyung-yi's help after a video of the yacht party is leaked. Yi-kyung taps a member of Kyung-yi's team…

Episode 12 poster

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December 12, 2021

Santa is held hostage by Yi-kyung, who reveals his identity to a disbelieving Kyung-yi. Yong-suk's plans blow up in her…