💉 Mary Kills People (2025 K-Drama) – A Gripping Medical Crime Drama Now Streaming

Mary Kills People (K-Drama, 2025) – A Darkly Human Tale of Life, Death, and Secrets

Premiere Date: August 1, 2025

Airing: Fridays & Saturdays at 10:00 PM (KST)

Network: MBC

Starring: Lee Bo-young, Lee Min-ki, Kang Ki-young

Genre: Psychological Thriller | Medical Drama | Crime

A daring premise meets top-tier South Korean talent in “Mary Kills People,” a chilling and emotionally charged K-drama remake of the acclaimed 2017 Canadian series. Starring the powerhouse Lee Bo-young and the ever-versatile Lee Min-ki, the show dives headfirst into one of the most controversial topics in medicine—euthanasia—and wraps it in an intense game of deception, morality, and suspense.

💀 The Premise: Mercy or Murder?

Dr. Woo So-jung (Lee Bo-young) is a skilled and respected emergency physician by day—and a clandestine euthanasia provider by night. She offers what she believes is a humane choice for terminally ill patients who want to end their suffering. But her world begins to unravel when Jo Hyun-woo (Lee Min-ki), a charming man with a brain tumor and a mysterious past, enters her life—not just as a potential client, but as someone with his own secrets.

As a detective begins investigating a series of unnatural deaths, the tension builds. What starts as mercy soon becomes a dangerous dance between predator and prey, love and betrayal, and life and death.

🌟 Main Cast & Characters

• Lee Bo-young as Woo So-jung principled yet emotionally scarred ER doctor who justifies her secret work as a form of compassion. Lee Bo-young delivers a performance that promises to be layered, vulnerable, and commanding.

• Lee Min-ki as Jo Hyun-woo terminal patient whose arrival disrupts So-jung’s carefully hidden world. Is he a client—or something more sinister?

• Kang Ki-young as Woo So-jung’s discreet assistantLoyal, but increasingly conflicted, he’s the moral mirror to So-jung’s choices.

🔎 Supporting Roles That Raise the Stakes

• Kim Tae-woo as Chief Ahn Tae-sung, leading the investigation into the suspicious deaths.

• Baek Hyun-jin as Go Kwang-cheol, a shifty businessman with ties to So-jung’s underground world.

• Seo Young-hee as Ryu Yi-soo, So-jung’s lawyer-neighbor, who may know too much.

• Kwon Hye-hyo, Shim So-young, and Yoon Ga-ae round out the hospital staff caught in this ethical storm.

And with surprise guest appearances from Lee Yi-kyung, Lee Sang-yoon, and Park Won-sang, viewers can expect layers of intrigue and powerful cameos.

🧠 Why This Series Will Stand Out

• A morally complex female lead rarely seen in mainstream K-dramas

• Tackles the controversial subject of assisted death with emotional nuance

• A mix of medical realism, psychological depth, and police procedural

• High-quality production with MBC’s signature polish and prime-time prestige

💬 Final Thoughts

“Mary Kills People” isn’t just a thriller—it’s a mirror held up to society’s deepest questions about autonomy, compassion, and the fine line between justice and judgment. 

With its gripping premise, elite cast, and emotionally tense writing, this is one K-drama that will spark conversation long after the credits roll.

If you're a fan of series like Flower of Evil, Stranger, or Sky Castle, mark your calendar—August 1st is going to change your Friday and Saturday nights.

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