Season 1
12 episodes · first aired 2021-10-30
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Episode 1 2021-10-30 | 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 missing person's case. | 2021-10-30 | 8.0 |
 | 02 | Episode 2 2021-10-31 | Kyung-yi suspects there's more to this accident than meets the eye. Reuniting with an old classmate, Song Yi-kyung hears about a former teacher's fate. | 2021-10-31 | 9.5 |
 | 03 | Episode 3 2021-11-06 | A news story about a criminal's light sentence establishes the next target for "K," who sets the scene at a bustling university campus. | 2021-11-06 | 9.0 |
 | 04 | Episode 4 2021-11-07 | Santa's chase after "K" puts the team on high alert, especially Kyung-yi. A spooked co-conspirator distances himself from the criminal mastermind. | 2021-11-07 | 9.0 |
 | 05 | Episode 5 2021-11-13 | Jung Jeong-yeon thinks back to a traumatic incident in her niece's past. Following a hunch that "K" might leave the country, Kyung-yi's team sets a trap. | 2021-11-13 | 8.0 |
 | 06 | Episode 6 2021-11-14 | Kyung-yi sifts through Yi-kyung's playbooks to find out the next target. An outcast's account takes the team to an IT company headed by a public figure. | 2021-11-14 | 8.0 |
 | 07 | Episode 7 2021-11-20 | 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 Ko Dam's public event. | 2021-11-20 | 9.0 |
 | 08 | Episode 8 2021-11-21 | Yi-kyung's loss plunges her into a world of reckless darkness. Both Yi-kyung and Kyung-yi seek answers on the inexplicable outcome of the event. | 2021-11-21 | 9.0 |
 | 09 | Episode 9 2021-12-04 | Yi-kyung joins hands with Yong-suk, replacing a down-in-the-dumps Kyung-yi who falls out of favor with the strong-handed director. | 2021-12-04 | 9.0 |
 | 10 | Episode 10 2021-12-05 | Kyung-yi inches closer to finding out the truth behind the boat party. Yi-kyung tries to escape the suffocating grasp of Yong-suk's control. | 2021-12-05 | 9.0 |
 | 11 | Episode 11 2021-12-11 | 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 for a covert collaboration. | 2021-12-11 | 8.0 |
 | 12 | Episode 12 2021-12-12 | Santa is held hostage by Yi-kyung, who reveals his identity to a disbelieving Kyung-yi. Yong-suk's plans blow up in her face. | 2021-12-12 | 8.0 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.