
A slow-burn thriller that builds real suspense before rushing through its biggest reveal.
Korean Drama Name: 경성학교: 사라진 소녀들 (Gyeongseong School: Disappeared Girls)
Where To Watch: Netflix, Viki ← *Click for direct link*
Average Rating: 7.4/10 (Mydramalist)
My Rating: 7.5/10
One Sentence Description: In a world of discipline, injections, and missing students, one girl starts to uncover the horrifying truth behind her recovery.
Trailer:
Disclaimer: This review is 100% my opinion — I’m not here to hate, just to share my thoughts! Also, SPOILERS AHEAD, so proceed with caution if you haven’t watched yet. Watch it, come back and let’s see if you agree. Let’s keep the discussion respectful and fun! 💕
Simple Description
The Silenced is about a sick girl who transfers to an all-girl boarding school that tries to help her from her illness. Everything starts out fine but when things start getting weird, she decides to dig. The deeper she digs, the more she realises that her body is changing, her memories are unreliable, and her freedom was never real. What follows is a chilling descent into madness, betrayal, and survival as our lead fights to escape a system that never saw her as human to begin with.
⚠️Length Note: This post includes a detailed (and long) story breakdown. Want to skip straight to the review? Jump to the Review
The story begins with our lead, Joo Ran, riding up a winding mountain road toward an all-girls boarding school. But this isn’t just any school — it’s 1938, and the institution is run by the Japanese during Korea’s occupation. Her mother (or rather, her stepmother) drops her off and promptly leaves for Tokyo, barely saying goodbye.
From the moment Joo Ran enters, things feel off. The counselor takes her upstairs, rifles through her belongings, and throws away anything personal. When Joo Ran asks to keep her journal, she’s slapped across the face. A small but telling sign of what kind of place this is.
We soon meet Yeon Deok, a kind student who comforts Joo Ran with candy and explains a few rules. Later, when Joo Ran introduces herself as “Shizuko,” everyone looks around, confused. Why?
That night, the girls are given a strange ball of food and sent to bed. We soon learn that Joo Ran is suffering from tuberculosis and is dying. The next morning, the headmistress prescribes an injection to help her recover and casually mentions that the two healthiest students will be sent to Tokyo. It’s here we learn that there was another Shizuko before Joo Ran — a girl who mysteriously “went home.” Joo Ran, now seen as her replacement, starts facing hostility from the other students.
In a secret room, Joo Ran confides in Yeon Deok: her real mother is dead, and the woman who dropped her off is her stepmother, terrified of being infected.
During class, the girls take medicine and eat in silence. When Joo Ran asks a classmate what the original Shizuko was like, the girl snaps. She strangles Joo Ran, has a seizure, and collapses. It’s the first sign that something is deeply wrong. Not just emotionally, but physically.
Later, Joo Ran and Yeon Deok sneak out of the school in search of the ocean. They find a river and sit in a boat. It’s peaceful until Joo Ran realizes she hasn’t coughed up blood despite running. The injections are working. But something’s off.
Joo Ran continues taking the injections and suddenly excels in long jump, something she couldn’t do before. A few days pass, and she finds the old Shizuko’s diary. While flipping through it, she drops a necklace. When she bends to pick it up, a pale hand grabs it first. She peeks under the bed, no one’s there. But when she turns her head, a girl with red eyes and veined skin stares back at her. Later, the headmistress claims that the same girl was picked up by her mother. What?
Soon after, another classmate leads Joo Ran to the steps and points behind them, saying the girl is there. Joo Ran walks over and finds a girl — wet, crawling, barely human. When she turns back, the classmate is choking, her ears bleeding, her body bent into a grotesque “C” shape. And yet again, the headmistress states she was picked up by her parents. Both girls.
What is going on?
Joo Ran begins to feel a new kind of sickness — not the tuberculosis she arrived with, but something deeper, stranger. Her body looks weak again, but when she runs and jumps in the sand pit, she flies past the edge like gravity forgot her. How is she sick but stronger?
The headmistress recommends Joo Ran as the first candidate to go to Tokyo, and one of the girls isn’t having it. She slams Joo Ran against a glass cupboard, triggering something primal. Joo Ran screams, shatters the glass, and in a trance, begins to strangle the girl until she passes out. Yeon Deok walks in, sees the aftermath, and can’t help but notice the similarities between Joo Ran and the old Shizuko. Everyone’s scared and for good reason.
We finally get a glimpse of what happened to Shizuko. One night in the secret room, she drops a glass vase, cuts her hands, and tells Yeon Deok she doesn’t feel pain. Then she seizes, grabs Yeon Deok’s leg, and struggles to breathe. Yeon Deok, terrified, traps her behind a big container and runs. When she returns, Shizuko is gone.
Determined to uncover the truth, Joo Ran and Yeon Deok sneak into the headmistress’s office and find a booklet describing a human experiment meant to create “superhumans.” The injections, the disappearances — it all connects. Every girl at the school is a test subject, and Joo Ran is the only one who’s successful. Her strength, her rapid healing — all results of the experiment.
They decide to escape. But when they reach a cliff, they realize they’re not near the ocean or a village, they’re surrounded by a military training camp. They’re quickly found. Joo Ran is shot. Yeon Deok flees while Joo Ran is dragged back to the school, unconscious. The staff inject her again and force her to inhale a special gas. Meanwhile, Yeon Deok returns to save her.
She’s caught and knocked out. When she wakes up, she’s locked in a glass container as water fills it. Meanwhile, chaos breaks out as the headmistress is betrayed by her own superior.
Joo Ran wakes up. Yeon Deok has drowned. The failed experiments have been frozen. But Joo Ran is done playing nice.
Just as the headmistress is about to shoot the general who betrayed her, Joo Ran bursts in, throws the door at them, and injures most of the guards. They shoot at her but she doesn’t flinch. She throws shards of glass, kills two guards, and keeps going.
Meanwhile, the other girls wake up and take revenge on the counselor, embroidering her into the flower piece they’d been working on — a twisted, poetic justice. Joo Ran drags the headmistress back to the lab and throws her around like a rag doll.
The show ends with Joo Ran being shot in the chest. She kills the headmistress and spends her final moments with Yeon Deok’s head in her lap, whispering that they can finally go home.
The End.

The Review
The Good
A Thriller That Knows How to Creep
This movie had me on edge from the very beginning. It was genuinely fun trying to figure out whether we were watching a ghost story or something even darker. Every time Joo Ran started to get better, it raised more questions — how is that possible? What’s really going on here? It kept me guessing in the best way.
And as someone who doesn’t usually like horror, I appreciated that this was unsettling without being overwhelming. It didn’t rely on cheap jump scares or gore. It was the kind of quiet, creeping dread that gets under your skin and stays there.
A Story That Knows Its Vibe
This ties into the point above, but it deserves its own spotlight. The scenes themselves were so well-crafted. Every hallway, every whisper, every eerie silence felt like a breadcrumb leading to something sinister. The whole movie had this slow-burn tension that made it feel like we were always on the edge of discovering something awful. And I couldn’t wait to see how it would unravel.
Acting That Didn’t Miss
I can’t get over how good the acting was across the board. From Joo Ran to Shizuko, every performance felt grounded and real. The choking scenes, the breakdowns, the deaths — none of it felt forced. For a short movie that barely gets talked about, the cast really delivered. And let’s be honest: Joo Ran crying over Yeon Deok? That scene lives rent-free in every “Best Crying Scenes in K-Dramas” edit for a reason. They came in, gave everything, and left no crumbs.

The Bad
Too Short for Its Own Plot
When I first decided to watch this, part of the appeal was how short it was. But by the time the credits rolled and the climax took up maybe an eighth of the runtime, I realised the length wasn’t a strength. The reveal that the school was creating superhuman girls was exciting… until I saw the timestamp and realised we had about 20 minutes left. If that.
This storyline was way too big for a 90-minute movie. The superhuman angle deserved at least an hour on its own. What made it more disappointing was that the pacing early on was actually solid. The slow unraveling, the eerie tension, the girls acting strange — it all built up beautifully. But when the big reveal hit, the movie was basically over. One minute Joo Ran discovers she’s one of the only successful test subjects with Yeon Deok, and the next, she’s hurling the headmistress against a wall and Yeon Deok’s dead. It was rushed, and it left me feeling more disappointed than satisfied.
Honestly, I wouldn’t have minded if they made this a short series. If Gyeongseong Creature can do it, this one easily could’ve too.
The Ending Had No Build
Despite the superhuman plot being a cool twist, I couldn’t help but feel disappointed by the lack of setup. Sure, there were the missing girls, seizures, and creepy red veins, but none of that screamed science experiment. It screamed haunted school with a possession problem.
That’s where the short runtime really hurt the story. There weren’t enough clues to make the reveal feel earned. Maybe there could’ve been a locked basement the girls weren’t allowed in, or moments where those who “recovered” acted off, like they’d been brainwashed or wiped. Even the secret room could’ve meant something—anything. Instead, we just got a lot of eerie symptoms with no real context until the end.
Ambiguity Isn’t Always Clever
Which brings me to my next point — and can I just say, I love how smoothly these points are flowing. So professional 🤭. Anyway, the issue wasn’t just the lack of clues, but how ambiguous the ones we got were. Joo Ran’s healing and the girls’ breakdowns could’ve meant a thousand different things. The ambiguity made the final reveal more confusing than shocking. You just kind of raise your eyebrows and think, “…huh.” A “huh” moment that wasn’t sure if it wanted to be good or bad.
The hints could’ve stayed, but we needed more. More specificity. More breadcrumbs that led somewhere. A lot of the pieces were there, but none of them connected in a way that made you feel like you were following the trail. I love a psychological thriller as much as the next person, but only if I’m given something to work with. This felt like showing up to a multiple choice test with a vague prompt and 30 possible answers — all of which could be right. The superhuman twist wasn’t a letdown in theory, but it blindsided us in execution. The answers were kind of there… but also really weren’t.
Her Final Words
This is small, but it stuck with me. Joo Ran’s final words, “Let’s go home now” didn’t land the way they could have. They never talked about wanting to go home. Yeon Deok didn’t even have a home to go to — she was an orphan. It would’ve hit so much harder if Joo Ran said something like, “Now we can go to the ocean,” referring to when they snuck out to find it, or “Let’s go to Tokyo now,” tying back to their shared dream. It’s not a huge deal, but it would’ve been such a simple way to create a full-circle moment and make the ending feel more emotionally complete.

What I Would Do
Breadcrumbs, Breadcrumbs, Hooray!
This point is obvious after my beautifully flowing points above, but I need real breadcrumbs that help us narrow the truth down. Here’s how I’d do that:
I kind of mentioned this above, but there would be a secret room or basement that no one’s allowed to go into— it’d be a secret. Kind of like where Joo Ran was at the end, but instead of being hidden behind a fake wall in the headmistress’s office, it’d be a secret room in the nurse’s office. When one of the girls goes crazy or has a seizure, they’d be taken into that room, drugged, and tested on. We’d get a shot of the nurses door, and nothing but screams coming from behind it. Then silence. And when they come back, they’re dazed, confused, and have no memory of what happened.
Over time, we’d see the girls show signs of superhuman ability—strength, stamina, healing, things that make us start piecing together that something’s off. Maybe they all came to the school with deadly illnesses and were told the “Miracle Drug” would cure them. Then, suddenly, they’re running, jumping, and breathing like they were never sick. The headmistress would insist it’s a medical breakthrough, but of course, the truth would be much darker.
That way, we’d still have the mystery, but the hints would narrow our guesses instead of confusing us. The audience would know something’s wrong but wouldn’t know exactly what—just enough to stay on edge. Joo Ran also wouldn’t be the only one noticing weird things. The girls would start noticing patterns, linking every strange episode back to that room. The other girls would whisper about the nurse’s office, or how they “don’t remember” being taken there but keep finding new scars or bruises. Little moments like that would create the tension the original film rushed through.
Give the Plot Room to Breathe
The movie also needed time—plain and simple. Ninety minutes isn’t enough for a slow-burn mystery with a science experiment twist. I’d expand it into either a two-hour+ movie or a short six-episode series. That extra time would let us live in the eerie atmosphere, build suspicion toward the adults, and actually explore what being a “test subject” means.
The Build-Up Deserves a Payoff
Instead of revealing the truth in the last twenty minutes, I’d let the discovery happen earlier and let the fallout drive the rest. Once Joo Ran finds out the truth, the story could shift from mystery to survival. Maybe she and Yeon Deok try to escape, only to realise the outside world already knows about the experiments and is covering them up. That would make the ending feel earned, not random.
The final confrontation with the headmistress would also have more emotional weight. Joo Ran wouldn’t just be discovering her powers—she’d be choosing to use them. Her throwing the headmistress into the wall could actually mean something if we spent time watching her go from weak, frightened, and naive to powerful and self-aware. Then when she holds Yeon Deok in her lap and says they can finally go home, it would hit harder because we’d understand what “home” really meant to them.
Keep in mind this is just a small way we could turn this into a short series. Which it easily could’ve been.

Final Thoughts
In the end, this movie was actually kind of enjoyable. It had the bones of a great sci-fi thriller: an eerie atmosphere, strong performances, and a concept that could’ve easily made it one of the more talked-about Korean films in the genre. But it needed time. Space. Breathing room. The story was interesting, the tension was real, and the acting was top-tier. But once I started imagining how this movie could’ve evolved with better pacing, clearer breadcrumbs, and a more emotionally grounded ending, I couldn’t help but feel a little disappointed. It had 10/10 potential, but settled somewhere around a 7.5. And yes, that’s coming from someone who gave it a 7.5… but I digress.
What I really appreciate though, is that this movie never lost its eerie tone. Even with the pacing issues at the end, it kept that uneasy, quiet dread that made it feel like something darker was always about to happen. It’s one of those stories where you can tell the worldbuilding was there, it just needed more time. Overall, The Silenced is the kind of movie you finish and think, “Wow, this was good! But it could’ve been great.” And maybe that’s its charm — it leaves you wishing there was more.
But don’t get me wrong, if they ever remake it as a short series, I’ll be the first in line. Until then, I’ll just sit here with my embroidered trauma and pretend the flower piece was a metaphor for closure.
And that’s another movie completed! What did you think of this? Like I said, it was enjoyable. But if it had just a little bit more time, it would’ve been amazing!
Next week will be another movie. Reason? I realised recently that I have a lot of drama reviews and not many movie reviews, and this is a drama AND a movie review site. After next week I’ll probably go back to dramas but I’ll see if I have any other movies that I’m just dying to review.
Thanks for reading and I’ll see you next week! 💕
Hi, I'm Aya!
I’m your K-drama bestie 🎬 In-depth reviews of romance, thrillers & more—plus what I’d change! Let’s fangirl(or fanboy) together! 💕
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Main Cast
Park Bo Young as Joo Ran
Park So Dam as Yeon Deok
Uhm Ji Won as the Headmistress
Park Sung Yun as the Counselor
Go Won Hee as Shizuko

Themes/ Genres
Identity and Transformation; Suppression and control; Power dynamics and manipulation; Secrets and institutional corruption; Female solidarity and resistance; Psychological trauma
Mystery, Thriller, Horror, Period drama, School drama
Comments (1)
Why The Silenced (Review-Only) Could’ve Been Great — If It Had More Time and Better Clues – Aya's K-drama Corner
November 8, 2025 at 2:15 pm
[…] *Want just the review (no description)? Click here!* […]