Based on actual events that took place at Gwangju Inhwa School for the hearing-impaired, where young deaf students were the victims of repeated sexual assaults by faculty members over a period of five years in the early 2000s.

After being involved in a traumatic incident, 17-year-old Gong-ju is forced to change schools. Uncared for by her parents, her previous teacher arranges for her to hide away at his mother's place. It takes time for her past to catch up with her, but when it does the revelation is devastating.

After moving into a new house, a young girl begins displaying strange and disturbing behavior until, one day, she disappears behind a closet. While the devastated father is left with no clue about his daughter's disappearance, an exorcist shows up to help.

The ghost of a student who died at a Korean school comes back to seek vengeance and protect her friends.

A detective investigates the disappearance of a woman's corpse from a morgue and tries to uncover the cause of her death.

13-year-old Sinikka vanishes on a hot summer night. Her bicycle is found in the exact place where a girl was killed 23 years ago. The dramatic present forces those involved in the original case to face their past.

When a school girl disappears, suicide is suspected, and one of her classmates is suspected of having goaded her into it.

While practicing after hours in her high school, an aspiring singer is mysteriously killed and her body vanishes. Her invisible ghost is trapped in the school, but her best friend is able to hear her voice.

Ja-yoon is a high school student who struggles with memory loss after she endured some unknown trauma during her childhood. While trying to uncover the truth, she is unwittingly dragged into a world of crime and finds herself on a journey that will awaken many secrets hidden deep within.

Reporter Na-yeong and her partner investigate a series of mysterious deaths and a perplexing case where her source was allegedly already dead at the time of their interview. Together they end up confronting a terrifying truth.

The mother of a missing child takes in a lost girl she finds in the woods, but soon begins to wonder if she is even human.

A boy who can see ghosts moves to a small town, where he befriends a female ghost. The two work together to investigate a masked ghost who is murdering students one by one.

When 12-year-old Ton transfers to an all-boys boarding school, he's taunted by his peers and terrified by their tales about the ghosts that inhabit the school. Ton is utterly miserable until he befriends a mysterious fellow pupil.

With a renowned plastic surgeon for a mother, Hyun-soo is always surrounded by girls in line for beauty consultations. But her happiness comes to an end as her friends who have received facial surgery from her mother start to commit mysterious suicides by cutting out their faces.

Two guys who are working for cartels as cleaners get a request to monitor an 11-year-old kidnapped girl, but the situation gets worse when their supervisor gets killed.

Years ago, a cruel and merciless nun turned a boarding school into a living hell for her students until they could no longer bear the abuse, and she mysteriously disappeared. Now the alumnae are being brutally murdered one by one.

At an elite boarding school for girls, six friends jokingly engage in a late night ritual, calling forth the spirit of a dead former student who reportedly haunts their halls. Before morning, one of the girls is dead, leaving the others wondering what they may have awakened.

A girl wakes up in a huge secret laboratory, then accidentally meets another girl who is trying to protect her house from a gang. The mystery girl overthrows the gang with her unexpected powers, and laboratory staff set out to find her.

A middle-aged woman, traumatized from the death of her adulterous lover, moves into a room at a New Orleans boarding house where the blind landlord becomes suspicious to her activities of continuing her affair with her dead lover.

Min Ji-Won suffers from amnesia caused by an accident almost a year ago. After the accident, Min Ji-Won is a shy person. Prior to the accident, Min Ji-Won was the leader of a gang of four girl bullies. Through pictures, Min Ji-Won learns about the three other members and she wants to learn what happened to them. While Min Ji-Won attempts to unravel the mystery, her former friends are killed one by one.

A female detective investigates the cause of a high school girl’s death and uncovers a disturbing truth.

6th Grade gets a new substitute teacher. She wants to train the class for an international competition in Paris. But something isn't right. How is she able read kids' minds? Why is she so mean? And how does she manage to convince everyone's parents she is so great when the whole class knows she is really an alien?

A class of students stays at school for a camp in an elite study group to finesse theirs and the school's grades. Upon the first night, the swimming coach is found murdered. As the students try to figure out what happens, a voice informs them that if they don't figure the murder out, students will begin dying in quick succession.

Seoul, South Korea, 1997. When the young but extremely anxious student Jin-seok, his parents and his successful older brother Yoo-seok move to a new home, mysterious and frightening events begin to happen around them, unexplained events that threaten to ruin their seemingly happy lives. Unable to understand what is happening, Jin-seok wonders if he is losing his mind.

Kit, a troubled girl, is sent to the exclusive Blackwood boarding school, where she discovers that only four other female students have been admitted to learn the four pillars of knowledge under the ominous wing of the mysterious headmistress Madame Duret.

A woman suddenly disappears. Her fiance then sets out to find her and, in the process, uncovers layers of dark hidden secrets.

In the 1960s, two classmates go looking for their missing friends and teachers, all of whom took part in an illegal book club, only to come face to face with ghosts and deformed monsters that have taken over their school.

A gym teacher and his female student look for her missing friend. But as they investigate, they find that her disappearance is a part of a larger conspiracy.

When troubled 12-year-old Jacob Felsen is sent away to boarding school, he enters every kid’s worst nightmare: a creepy old mansion, deserted except for six other teenage misfits and two menacing and mysterious teachers. As events become increasingly horrific, Jacob must conquer his fears to find the strength to survive.

When elementary school teacher Kobayashi investigates the absence of one of his young pupils from the classroom, he finds himself at the doorstep of an anonymous suburban house that harbours a horrible secret, and into which all who enter are doomed.

Mi-ja, who has been taking care of a retired teacher, Ms. Park, invites several of her former students to her house 16 years after their graduation. Since the end of her teaching career, Park has been residing in the countryside, suffering from an illness while an ex-student, the kind and pretty Mi-ja cares for her.

When Alena arrives at her new elite boarding school, Filippa and the other girls start to harass her. But Alena’s best friend Josefin won’t let her take anymore beating. If she won’t strike back, Josefin will do it for her. Hard.

Due to sudden deteriorating weather conditions, visibility on the Airport Bridge is severely impaired, leaving people stranded and at risk of the bridge collapsing due to a series of chain collisions and explosions. Amidst the chaos, the canine subjects "Echo" from the military experiment "Project Silence," who were being transported in secret, break free, and all human survivors become targets of relentless attacks.

A family decides to buy a lodge in a remote hiking area. Their first customer commits suicide and the distraught family buries his body to avoid the bad publicity. But their luck gets worse, the bodies start piling up, and the family becomes frantic to rectify the situation.

A young girl, with an amazing ability to communicate with insects, is transferred to an exclusive Swiss boarding school, where her unusual capability might help solve a string of murders.

In 1990, at a secluded community center, the custodian murders all the guest lodgers and kills himself. Ever since, on every Old Year's Night, paranormal events begin to take place within the building. Eventually, the center is shut down and left abandoned for years. A renowned paranormal investigator who had lost his mother during an exorcism and three college students who heard about the rumor of the unexplained phenomena heads over to the building, resolved to uncover the buried secret.

The ghost of a lesbian high-school girl takes revenge on the people who used to bully her. And another young girl finds her old diary detailing her love and rejection when she was alive.

A horror webtoon writer journeys to a shabby apartment building in search of ideas. The building's caretaker tells him about multiple strange events that happened throughout the building's history.

After her widowed father dies, deaf teenager Dot moves in with her godparents, Olivia and Paul Deer. The Deers' daughter, Nina, is openly hostile to Dot, but that does not prevent her from telling her secrets to her silent stepsister, including the fact that she wants to kill her lecherous father.

Medical student Paula wins a place at an exclusive Heidelberg medical school. When the body of a young man she met on the train turns up on her dissection table, she begins to investigate the mysterious circumstances surrounding his death.

Kyung-min lives alone in a one-room apartment. One day, she finds traces of a stranger breaking into her room and soon a mysterious murder case begins to unravel.

Two rival detectives with different methods try to solve the murder of a missing girl after discovering her mutilated body in the tidelands of Incheon.

Four friends pledge to commit suicide together but while standing on the ledge, only one of them actually jumps. Her ghost begins to haunt the remaining friends until the pledge is fulfilled.

The crew of a horror web series travels to an abandoned asylum for a live broadcast, but they encounter much more than expected as they move deeper inside the nightmarish old building.

When a series of gruesome murders hit Seoul, the Korean investigation police has no choice but to ask help from world-renowned French doctor Alice Launey who developed a revolutionary technique for recognizing bodies. With more corpses on the way and a mysterious organ trafficking ring uncovered, things are about to get more dangerous in the land of the morning calm…

A stranger arrives in a little village and soon after a mysterious sickness starts spreading. A policeman is drawn into the incident and is forced to solve the mystery in order to save his daughter.

The dark secrets of a seemingly peaceful island threaten to swallow up an orphaned student when he grows close to a mysterious new teacher.

A model student transfers to the notorious Jungmoon High School known for its severe corporal punishment by teachers and power struggles between school gangs.

1930s Korea, in the period of Japanese occupation, a new girl, Sookee, is hired as a handmaiden to a Japanese heiress, Hideko, who lives a secluded life on a large countryside estate with her domineering Uncle Kouzuki. But the maid has a secret. She is a pickpocket recruited by a swindler posing as a Japanese Count to help him seduce the Lady to steal her fortune.

To save a girl in danger, a priest and deacon jump into a mysterious case.

With the world under attack by deadly creatures who hunt by sound, a teen and her family seek refuge outside the city and encounter a mysterious cult.

A case of the flu quickly morphs into a pandemic. As the death toll mounts and the living panic, the government plans extreme measures to contain it.

In a prep-class for year-end exams, a sadistic killer puts the students through mind-games in order to save each other.

While investigating the kidnapping and murder of a little girl, a detective spots a piece of graffiti that depicts the crime scene perfectly—but the graffiti was drawn a month before the crime took place, and that the artist knows more than he is telling.

After being released from a mental asylum, a disfigured man becomes obsessed with a student at his sister’s boarding school while grappling with his dark past.

A quiet, neglected girl is sent away from her dysfunctional family to live with relatives for the summer. She blossoms in their care, but in this house where there are meant to be no secrets, she discovers one.

Mitsuko, a young student, encounters a series of horrifying incidents set in alternate realities where people wind up dead in the most horrendous fashion.

Yu-jin and her blind mother move to a small village from Seoul. On her first day at the new school, Yu-jin gets picked on by her classmates. Along with other victims of hatred, Yu-jin puts a curse on the four girls tormenting them through a Ouija Board. On her second day at school, one of the spellbound bursts into flames and dies just as she sits down where Yu-jin used the board. Next day, another victim burns to death, and now the school is enclosed by horror.

The timid, young Asuka is bullied by her classmates. When they embark on a class field trip to Korea, Asuka plans revenge by sending them a cursed phone message they can either pass on or die.

For 15 days, a politician and his wife navigate a scandal after their daughter goes missing on the eve of the national elections.

Southern France, 19th century. Teresa, a young girl, arrives at an isolated female boarding school that is tyrannically mastered by Mrs. Fourneau, the strict headmistress, whose protective shadow haunts Luis, her weak son.

The spirit of a comatose teenage girl possesses the body of a newcomer to her girls' boarding school in order to enact bloody revenge against the elitist, lingerie-clad coeds responsible for her condition.

Following a humiliating plagiarism scandal, an author moves to an isolated small-town house with her daughter to write her comeback novel. Desperate for inspiration, she communicates with a mysterious ghostly presence that has befriended her daughter.

When 54 high school girls throw themselves in front of a subway train it appears to be only the beginning of a string of suicides around the country. Detective Kuroda tries to find the answer to this mystery, which isn't as simple as he had hoped.

In 19th century Baltimore, Isabel Porter, a girl stricken with grief from her parents' untimely death, voluntarily checks herself into the Rosewood Institute. Subjected to bizarre and increasingly violent pseudo-scientific experiments in personality modification, brainwashing and mind control, she must escape the clutches of the Rosewood and exact her revenge, or else be forever lost.

Jung-yeon receives a tip-off that her son who went missing six years ago is in a fishing village. Local officers get in her way, trying to cover up a secret that might be related to her case.

Eun-yi is hired as a maid in a mansion owned by a wealthy businessman. He quickly starts seducing his employee who seemingly has little choice but to comply with his sexual advances. Soon the women of the family plot against Eun-yi who must fight an equally devious battle to protect herself.

Nursing student Asuka has just moved into an apartment complex with her parents and younger brother. On the first night in her new room, she is awoken by a strange scratching sound coming from the apartment of her neighbor, a reclusive old man who has refused all attempts at communication. Concerned over his well being, Asuka enters his home only to find him dead from malnutrition. Worse, it looks as if he had been trying to claw his way into her room. Asuka learns that there have been a number of strange deaths in the complex over the years from Shinobu, the handyman cleaning up the old man’s apartment. Even the girls at school whisper rumors of it being haunted.

Two North Korean soldiers are killed in the border area between North and South Korea, prompting an investigation by a neutral body. The sergeant is the shooter, but the lead investigator, a Swiss-Korean woman, receives differing accounts from the two sides.

So-yeon suffers from claustrophobia and inherits a Persian cat when its owner dies. She begins having nightmares and people around her begin dying as she searches for the truth.

Facing goodbyes and graduation, Naomi Nakashima, her childhood friend Satoshi Mochida, and their classmates, are clearing up after their last ever cultural festival, when horror buff class representative Ayumi Shinozaki decides to perform Sachiko Ever After so they will stay friends forever. Instead, they were whisked away to a haunted graduation ceremony for Heavenly Host Elementary School, forced to close after a series of gruesome murders. What fate awaits Naomi and her friends at the cursed school...?

International students at an elite Prague school are stalked and murdered by a masked killer while holding a party in an abandoned water park.

A woman's child is kidnapped and killed after paying the ransom. 15 years later, a mysterious figure is seen visiting the site of killing and another kidnapping occurs using the same methods. The woman teams up with a detective to catch the killer once and for all.

Betrayed and on the run, a former North Korean agent tries to seek revenge on the man who killed his wife, find his missing daughter, and uncover the secrets hidden inside the eyeglasses of a dead man.

A respected priest volunteers for an experimental procedure that may lead to a cure for a deadly virus. He gets infected and dies, but a blood transfusion of unknown origin brings him back to life. Now, he’s torn between faith and bloodlust, and has a newfound desire for the wife of a childhood friend.

Three female idols appear on a television show to investigate an exorcism. An exorcist with psychic powers named Unsui claims that the show’s subjects, the Kaneda family, are cursed by a demon that’s too powerful for him to banish on his own, so he calls in a fellow exorcist to help. Soon, a reckless ghost hunter enters the fray as the three idols witness a series of terrifying events.

A staircase leading to a schoolgirls' dormitory usually has 28 steps, but sometimes a 29th step appears. Any wish you make while standing on this step comes true, even if it must come true in the most horrific way possible.

Laurie and Hugh are a successful young couple who have just closed on a weekend home away from the city. Unbeknownst to them, the neighboring property contains the crumbling remains of a boarding school that was shuttered in the wake of an unspeakable massacre. The sole survivor of that massacre still resides in the ruins of the school, hiding from the world and wanting only to be left alone. When Laurie and Hugh's friends explore the property, they have no idea that they disturbed an emotionally-broken killing machine: The Blood Widow.

Two young women at a prestigious prep school are assailed by an evil, invisible power when they're stranded over winter break.

Scotty moves into Mrs. Engels' seaside mansion where three other college students are boarding. Mrs. Engels prefers to stay in her room in the attic, but her son Mason helps the students get settled. Soon one of the students is killed. The policemen on the case begin uncovering the Engels family secret as the remaining students become endangered

Four years after five students mysteriously committed suicide after taking part in a courage test on the ghost bridge in Donghu university, a reporter and a cinematographer are back to that place and try to get everything clear.

A girl who lost her father to a serial killer, a detective and a killer are intertwined in a chaotic relationship and are met with an unprecedented series of events.

Two sisters return home after a stay in a mental institution, only to face disturbing events and a strained relationship with their stepmother. As eerie occurrences unfold, dark family secrets begin to surface, blurring the line between reality and nightmare.

A serial killer ruthlessly hunts down a deaf woman through the streets of South Korea after she witnesses his brutal crime.

The beautiful 500-year-old vampire who lived a quiet life running a dressing room in a secluded alley. There has come a fatal crisis to her. The smell of the boy who likes her constantly stimulates her vampire instinct which has been suppressed for a while

Days after her friends disappear during a trip to a mysterious cave, a girl is approached by a grown man claiming to be one of her missing pals.

Ichiko works as a private nurse for a family she almost became a part of. While Ichiko cares for the grandmother, she is also a confidant to Motoko, the eldest sister. But one day, Motoko’s younger sister disappears. And the media soon reveal the kidnapper to be Ichiko’s own nephew.

A teenage girl is captured by a giant mutated squid-like creature that appears from Seoul's Han River after toxic waste was dumped in it, prompting her family into a frantic search for her.

When photos of her at a party cause her to lose a scholarship, a student investigates whether something devastating happened to her that night.

Connected by phone in the same home but 20 years apart, a caller puts a woman’s past — and life — on the line to change her own fate.

A bullied girl becomes friends with a new kid during a break, but when classes start up again, their new friendship is nearly ruined when the bullying continues.

Sung-soo has everything a man could want: a beautiful wife and children, a comfortable home and luxury car, and plenty of money in the bank. When he learns that his estranged brother, Sung-chul, has gone missing, haunting memories of their troubled past urge him to visit his brother’s apartment in search of answers.

Detective Cho, a cop on the edge, is mourning his mother's recent death while under investigation for graft; on top of that he is suddenly put in charge of a seemingly-impenetrable mystery.

A web-comic artist finds that a series of murders are occurring that have a disturbing resemblance to the images in her work.

In Japanese-occupied Korea, three freedom fighters are assigned a mission to assassinate a genocidal military leader and his top collaborator. But the plan goes completely awry amidst double-crossings, counter-assassinations, and a shocking revelation about one of the assassins' past.

At the same time as murder suspect Yeo-hoon is brought unconscious to the emergency room following a shooting incident, an assailant breaks into the house of Tae-jun, the emergency room's doctor in charge, and kidnaps his wife. The kidnapper calls the doctor and tells him to bring Yeo-hoon to him. To retrieve his wife, Tae-jun has no option but to save the patient and sneak him away before the police can notice.

Soo-jin, who lost her memories due to a horrible incident, starts suspecting her husband. She is confused between reality and illusion, truth and lies.

A group of boys and girls, twelve in total, gather at an abandoned hospital to die for various different reasons. There, they find the body of a dead boy. The group of twelve attempt to find the person who killed the boy. During their search, the reasons why they want to die are revealed.

Set in a future world. Japan has created a great medical technology that controls ethics, health, and social interaction to create a perfect world. Three young girls attempt to stand up to this by committing suicide, but it doesn't work. Years later, Tuan, one of the girls who attempted suicide must prevent a crisis that threatens this "perfect" world.