impactful thrillers/horror movies

A popular high school teacher concocts an extreme plan to deal with the rise of bullying and bad behavior among the student body.

A father, who is a failed former television reporter tries to mount a documentary about violence and sex among youths. He proceeds to have sex with his daughter who is now a prostitute and films his son being humiliated and hit by classmates. "Q", a perfect stranger somehow gets involved and enter the bizzare family who's son beats his mom, who in turn is also a prostitute and a heroin addict...

In their secluded farmhouse, a mother (a former surgeon) teaches her daughter, Francisca, anatomy, and how life and death are not to be feared. One afternoon, a mysterious visitor shatters the idyll of their family life, and deeply traumatises Francisca, but also awakening curiosities. Years later, Francisca clings to her increasingly distant father, but the trauma she sustained reawaken when her desire to connect with the world around her takes on a dark form.

When her mentally ill mother passes away, Annie (Toni Collette), her husband (Gabriel Byrne), son (Alex Wolff), and daughter (Milly Shapiro) all mourn her loss. The family turn to different means to handle their grief, including Annie and her daughter both flirting with the supernatural. They each begin to have disturbing, otherworldly experiences linked to the sinister secrets and emotional trauma that have been passed through the generations of their family.

54 high school girls throw themselves in front of a subway train. This appears to be only the beginning of a string of suicides around the country. Does the new all-girl group Desert have anything to do with it? Detective Kuroda tries to find the answer, which isn't as simple as one could hope.

In a lonesome house in the countryside between woods and cornfields live nine-year-old twin brothers who are waiting for their mother in the heat of summer. When she comes home, bandaged after cosmetic surgery, nothing is like before. The children start to doubt that this woman is actually their mother. An existential struggle for identity and fundamental trust emerges.

Will and Eden were once a loving couple. After a tragedy took their son, Eden disappeared. Two years later, out of the blue, she returns with a new husband... and as a different person, eerily changed and eager to reunite with her ex and those she left behind. Over the course of a dinner party in the house that was once his, the haunted Will is gripped by mounting evidence that Eden and her new friends have a mysterious and terrifying agenda. But can we trust Will's hold on reality? Or will he be the unwitting catalyst of the doom he senses?

In Tokyo, the twelve year-old girl Mitsuko accidentally sees her parents having sex in their bedroom and her dysfunctional and pervert father Ozawa Gozo, who is the principal of her school, forces her to see her mother Sayuri having intercourse with him hidden inside a cello case. Then Osawa rapes Mitsuko and forces her mother to see the incestuous intercourse with their daughter. Osawa lives with Mitsuko and Sayuri and has sex with them, and Sayuri is jealous of her own daughter. The dysfunctional family is affected first by a murder and then by an attempt of suicide. But the bizarre story is actually a novel written by the disabled writer Taeko that uses a wheelchair to move. When her publisher visits her with his new hire Yuji, he gets close to her and helps Taeko to find the truth about her past. But in the end, which one is the dream?

Susie Bannion is a young American ballerina who travels to Berlin to study dancing at Madame Blanc's Markos Tanz Company, one of the world's most renowned schools. On her first day, one of the students who had been recently expelled from the school is murdered. As this appalling happening does not seem to be an isolated occurrence, the brilliant new student soon begins to suspect that the school might be involved in the homicide. Her mistrust heightens when Sarah, one of the girls at the school, tells her that before she was killed, Pat confided to her that she knew and guarded a terrifying secret.

When Syamoto's teenage daughter is caught stealing, a generous middle-aged man helps resolve the situation. The man and his wife offer to have Syamoto's troublesome daughter work at their fish store. Syamoto soon discovers the horrific truth of the seemingly perfect couple.

Three emotionally abused people from the fringes of society get locked in a convoluted love triangle. Yuu, a Catholic boy searching for true love ends up taking erotic photographs of women in public until he discovers Yoko, whom he sees as his Virgin Mary. Yoko, an antifamily, misandristic girl finds that her foster mother will be marrying Yuu's father. Koike, an "original sinner", coordinates a plan to convert Yuu's family to her cult. Under her careful direction, their lives come crashing together in one fateful street fight.

Two Catholic schoolgirls Kat (Kiernan Shipka) and Rose (Lucy Boynton) get left behind at their boarding school over winter break as the other girls leave, where it's rumored that the nuns are satanists. Meanwhile, a disturbed mental patient Joan (Emma Roberts), an escapee, is picked up by a middleage couple (James Remar and Lauren Holly) who drive her on a determined trip to the same school, where the girls must face the supernatural and demonic possession.

Stained by the brutal death of a young woman, the tranquil and vacant New England mansion of the prolific horror authoress, Iris Blum, has become her silent prison. To take care of the ageing writer who suffers from chronic dementia, the property's manager hires the gentle and soft-spoken live-in hospice nurse, Lily Saylor; however, this is far from an ordinary job. Little by little, Lily's imagination will run wild, as shadowy sightings of eerie female spectres blur the frail boundaries between reality and fantasy, fable and truth. Iris has talked about man's coexistence with the spectral realm in her novels that chill the bone to the marrow. Could her secluded white house at the end of the road be an aerial limbo caught in the middle of life and death?

In Daniel Goldhaber and Isa Mazzei's paranoid horror thriller "Cam," an erotic webcam performer finds her followers stolen by a doppelganger who hijacks her channel, pushes the sexual envelope further, and otherwise seems determined to destroy her life. Call it identity theft of a possibly supernatural kind.

In the small village Goksung in South Korea, police officer Jong-Goo investigates bizarre murders caused by a mysterious disease. His partner relays gossip that a Japanese stranger, who lives in a secluded house in the mountains, would be an evil spirit responsible for the illness. Jong-Goo decides to visit the stranger along with his partner and a young priest who speaks Japanese. They find an altar with a goat head, pictures on the walls of the infected people that died, and an attacking guard dog that prevents their departure until the stranger arrives. Jong-Goo finds one shoe of his beloved daughter, Hyo-jin, in the house of the stranger, and soon she becomes sick. His mother-in-law summons the shaman Il-gwang to save her granddaughter while a mysterious woman tells Jong-Goo that the stranger is responsible. Who might be the demon that is bringing sickness to Goksung?

For 19-year-old Jay, Autumn should be about school, boys, and weekends out at the lake. But after a seemingly innocent sexual encounter, she finds herself plagued by strange visions and the inescapable sense that someone, something, is following her. Faced with this burden, Jay and her friends must find a way to escape the horrors that seem to be only a few steps behind.

New England, 1630: William and Katherine try to lead a devout Christian life, homesteading on the edge of an impassible wilderness, with five children. When their newborn son mysteriously vanishes and their crops fail, the family begins to turn on one another. 'The Witch' is a chilling portrait of a family unraveling within their own sins, leaving them prey for an inconceivable evil.

After the untimely death of 16-year-old Martin's father on the operating table, little by little, a deep and empathetic bond begins to form between him and the respected cardiothoracic surgeon, Dr Steven Murphy. At first, expensive gifts and then an invitation for dinner will soon earn the orphaned teenager the approval of Dr Steven's perfect family, even though right from the start, a vague, yet unnerving feeling overshadows Martin's honest intent. And then, unexpectedly, the idyllic family is smote by a fierce and pitiless punishment, while at the same time, everything will start falling apart as the innocents have to suffer. In the end, as the sins of one burden the entire family, only an unimaginable and unendurable decision that demands a pure sacrifice can purge the soul. But to find catharsis, one must first admit the sin.