Crime Drama
8.4/10 2025 · 1 Season· 12 Episodes · Completed ·KR

Creator: Park Joon-woo

A black comedy about a doctor who illegally helps terminally ill patients with euthanasia and a detective who tracks down her illegal activities.

Cast

Lee Bo-young
Lee Bo-young
Wu So-jung
Lee Min-ki
Lee Min-ki
Cho Hyeon-woo
Kang Ki-young
Kang Ki-young
Choi Dae-hyeon
Bek Hyun-jin
Bek Hyun-jin
Koo Kwang-cheol
Kim Tae-woo
Kim Tae-woo
Ahn Tae-seong
Yoon Ga-i
Yoon Ga-i
Choi Ye-na
Kwon Hae-hyo
Kwon Hae-hyo
Father Yang
Seo Young-hee
Seo Young-hee
Ryu Yi-su
Yoo Seung-mok
Yoo Seung-mok
MP Baek
Kang Na-eon
Kang Na-eon
Wu-mi
Tae Hang-ho
Tae Hang-ho
Detective Bu
Kwak Sun-young
Kwak Sun-young
Koo Hye-rim
Min Hye-su
Min Hye-su
Nun

Episodes

Mary Kills People (2025) S01E01 – Do You Want to Finish? S01E01 59m
1 Aug 25
Mary Kills People (2025) S01E01 – Do You Want to Finish?
A terminal patient, Hyun-woo, requests assisted death from the doctor, Wu So-jung (Lee Bo-young), and her assistant Dae-hyun (Kang Ko-young).
Mary Kills People (2025) S01E02 – Why Do You Do this? S01E02 60m
2 Aug 25
Mary Kills People (2025) S01E02 – Why Do You Do this?
Wu So-jung begins to cross a line as she develops feelings towards Hyeon-woo (Lee Min-ki)
Mary Kills People (2025) S01E03 – I’ll Send You Wherever You Want S01E03 60m
8 Aug 25
Mary Kills People (2025) S01E03 – I’ll Send You Wherever You Want
So-jung and Dae-hyeon become trapped, as the police investigation closes in.
Mary Kills People (2025) S01E04 – What You Are Doing Now Is Murder! S01E04 60m
9 Aug 25
Mary Kills People (2025) S01E04 – What You Are Doing Now Is Murder!
So-jung makes a dangerous deal with a drug dealer Gwang-chul (Baek Hyun-jin) in order to acquire the euthanasia drug. The police investigation into the case is becoming increasingly fraught.
Mary Kills People (2025) S01E05 – Over Time, It May Become a Human Right S01E05
16 Aug 25
Mary Kills People (2025) S01E05 – Over Time, It May Become a Human Right
So-jeong, who brought Si-hyeon out of the hospital, is found injured and abandoned on the street. Dae-hyeon, who finds out about this, goes to find Gwang-cheol.
Mary Kills People (2025) S01E06 – You Are Being Arrested on Suspicion of Murder S01E06 59m
22 Aug 25
Mary Kills People (2025) S01E06 – You Are Being Arrested on Suspicion of Murder
When patient Yoon-hee (Yang Jo-ah) suddenly dies at Maria Welfare Hospital, So-jeong (Lee Bo-young) and Father Yang (Kwon Hae-hyo) are investigated by the police as suspects for murder.
Mary Kills People (2025) S01E07 – Can We Turn Away from Such Pain for Fear of Criticism? S01E07 60m
23 Aug 25
Mary Kills People (2025) S01E07 – Can We Turn Away from Such Pain for Fear of Criticism?
Dae-hyun (Kang Ki-young) is offered a judicial deal. Meanwhile, Ye-na's (Yoon Ga-i) older brother, Geon-su (Kang Ki-dong), visits So-jeong (Lee Bo-young) and asks her to help him.
Mary Kills People (2025) S01E08 – Are You Saying We Should Have a Funeral before We Die? S01E08 60m
29 Aug 25
Mary Kills People (2025) S01E08 – Are You Saying We Should Have a Funeral before We Die?
Yena (Yoon Ga-i) goes on a final trip with Geon-su (Kang Ki-dong), and Gwang-cheol (Baek Hyun-jin) starts a business of assisted death targeting the rich, which brings him into conflict with So-jeong (Lee Bo-young).
Mary Kills People (2025) S01E09 – Please, Save Me from This Pain S01E09 60m
30 Aug 25
Mary Kills People (2025) S01E09 – Please, Save Me from This Pain
Yena (Yoon Ga-i) embarks on her final journey with Geon-su (Kang Ki-dong), and Gwang-cheol (Baek Hyun-jin) clashes with So-jeong (Lee Bo-young) as he begins a business of assisted death targeting the rich.
Mary Kills People (2025) S01E10 – The Situation Is Getting Out of Control and Dangerous S01E10 60m
5 Sep 25
Mary Kills People (2025) S01E10 – The Situation Is Getting Out of Control and Dangerous
So-jeong (Lee Bo-young) is attacked by the police at the scene of an assisted death due to Gwang-cheol's (Baek Hyun-jin) scheme. Unable to stand by and watch, So-jeong (Lee Bo-young) steps in herself.
Mary Kills People (2025) S01E11 – There Is No Place to Run Anymore S01E11 60m
6 Sep 25
Mary Kills People (2025) S01E11 – There Is No Place to Run Anymore
So-jeong (Lee Bo-young) decides to save Mi-young (Woo Mi-hwa) and asks Ji-hoon (Lee Min-ki) for help. Ji-hoon (Lee Min-ki) demands she confess everything...
Mary Kills People (2025) S01E12 – There Are Definitely Patients Who Need Euthanasia S01E12 60m
12 Sep 25
Mary Kills People (2025) S01E12 – There Are Definitely Patients Who Need Euthanasia
Dae-hyun (Kang Ki-young), who has just been released from prison, visits So-jeong (Lee Bo-young), who works at Maria Welfare Hospital. Meanwhile, Seon-ju (Kim Young-ok), a terminally ill breast cancer patient, appears before them.

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