Mary Kills People: Medical K-Drama

If you’re passionate about Korean series full of emotion, moral dilemmas, and suspense, it’s time to discover Mary Kills People (메리 킬즈 피플). Released by MBC on August 1, 2025, this K-drama brings an innovative approach by combining crime, medicine, and ethical debates in a unique narrative inspired by the famous Canadian series of the same name. Get ready to be immersed in a deep story full of questions about the true limits of human compassion.
Mary Kills People is directed by Park Joon-Woo and written by Lee Soo-A, ensuring an atmosphere of tension and depth in every episode. Premiering during the prime Friday and Saturday night slots at 10 pm on MBC, the series has already won over many fans because of its intensity, strong characters, and provocative plot.
Synopsis of Mary Kills People

At the heart of Mary Kills People is Woo So-Jeong (Lee Bo-Young), a respected doctor who, defying the law, begins to help terminally ill patients find peace through euthanasia. Her mission is shared with her partner Choi Dae-Hyun (Kang Ki-Young), who, like her, believes that easing suffering can be more important than legality itself.
However, Woo So-Jeong’s double life is threatened by the arrival of detective Jo Hyun-Woo (Lee Min-Ki), determined to unmask those behind these mysterious deaths. The drama intensifies because Jo Hyun-Woo is also personally battling a brain tumor, making his pursuit even more complex. For, between justice and empathy, each character is pushed to the limit in pursuit of what they believe is right.
The narrative immerses the viewer in questions of medical ethics, tough choices, justice, compassion, and even faith, all with the sensitivity and intensity only a K-drama can deliver. In summary, every episode is a true emotional rollercoaster.
Cast of Mary Kills People

The cast of Mary Kills People brings together some of the most admired names in South Korean television, forming a powerful team that elevates the story’s impact even further. Check out the main cast:
- Lee Bo-Young as Woo So-Jeong – The protagonist, a doctor who challenges the law in the name of compassion.
- Lee Min-Ki as Jo Hyun-Woo – A terminally ill detective determined to uncover the crimes, even as he fights for his own life.
- Kang Ki-Young as Choi Dae-Hyun – Woo So-Jeong’s partner and a key figure in handling the cases.
- Baek Hyun-Jin as Gu Gwang-Chul
- Kim Tae-Woo as An Tae-Sung
- Oh Eui-Sik as Kim Si-Hyun
- Yoon Ga-I as Choi Ye-Na
- Kang Na-Eon as Woo Mi
- Kwon Hae-Hyo as Father Yang
Thanks to a stellar cast and profound performances, each character delivers layers of emotion and authenticity, making viewers connect and reflect along with the story.
How Many Episodes Does Mary Kills People Have?
For those who love to binge-watch, Mary Kills People consists of 12 episodes, each lasting 60 minutes. The K-drama airs on Friday and Saturday nights, making weekends perfect for anyone wanting to dive into a story full of surprises, dilemmas, and deep questions. Because of this format, it’s easy to get absorbed and finish the series quickly.
Mary Kills People Trailer
Is Mary Kills People Worth Watching?
Without a doubt, Mary Kills People is one of the most provocative premieres of the year and deserves a special spot on your K-drama watchlist. The series challenges viewers to reflect on the value of life, the weight of decisions, and how far ethics can (or cannot) be stretched in the face of human suffering. However, it’s important to note that the show is recommended for audiences 18 and over, as it tackles sensitive topics with realism and intensity.
The balance between drama, suspense, and profound debates makes this show a treat for anyone who loves dense, impactful stories. If you want something out of the ordinary and are searching for a K-drama that will truly move you, this is the right choice. In summary, every episode is an invitation to reflect.
Fun Facts About Mary Kills People
- Korean Remake: Based on the successful Canadian series, the K-drama brings a fresh reinterpretation full of identity, emotion, and new perspectives.
- Charismatic Main Duo: Lee Bo-Young and Lee Min-Ki form one of the most praised duos of the year, delivering scenes full of tension and sensitivity.
- Prime Time Slot: The series took over from “Oh My Ghost Clients,” showing MBC’s confidence in the power of this story.
- Ethical Debates: The show sparked intense discussions on Korean social networks about medical boundaries, the right to a dignified death, and legal consequences.
- Family and Faith: Characters like Woo Mi and Father Yang add further depth, bringing debates about family roles and spirituality in times of suffering.
- Striking Visuals: Park Joon-Woo’s direction features dark cinematography, a tense soundtrack, and impactful scenes to heighten suspense.
Where to Watch Mary Kills People
Mary Kills People is exclusively available on the TVING platform, via subscription. For fans who don’t want to miss a single moment, just log in to TVING and enjoy all episodes in high quality. Due to the international success of Korean dramas, there’s always hope that the show may soon reach other streaming platforms.
Conclusion
Mary Kills People is a show that goes beyond the superficial: it challenges, moves, and makes you think. With incredible acting, complex moral dilemmas, and a story that grips you from beginning to end, the series is set to become one of the standout Korean drama releases of 2025. If you’ve already seen the best K-dramas and are looking for something more mature, intense, and original, you need to watch Mary Kills People.
In summary, this is a K-drama for those seeking real emotion and who aren’t afraid to question themselves. Watch it, share your impressions, and get ready for lots of debate after the final episode!
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