20 best movies like Unsane (2018)

A husband and wife try to reinvigorate their relationship but their lives are threatened by a "friend" from the husband's past who holds a horrifying secret about him, sending their world into a tailspin.

Rachel Watson, devastated by her recent divorce, spends her daily commute fantasizing about the seemingly perfect couple who live in a house that her train passes every day, until one morning she sees something shocking happen there and becomes entangled in the mystery that unfolds.

A mentally unhinged factory worker must decide whether to listen to his talking cat and become a killer, or follow his dog's advice to keep striving for normalcy.

A Harvard Medical School graduate takes a position at a mental institution and soon becomes obsessed with a female mental patient, but he has no idea of a recent and horrifying staffing change.

A woman turns to prescription medication as a way of handling her anxiety concerning her husband's upcoming release from prison.

Psychiatrist Sam Foster has a new patient, Henry Letham, who claims to be suicidal. In trying to diagnose him, Sam visits Henry's prior therapist and also finds Henry's mother -- even though Henry has said that he murdered both of his parents. As reality starts to contradict fact, Sam spirals into an unstable mental state. Then he finds a clue as to how and when Henry may try to kill himself, and races to try to stop him.

Mort Rainey, a writer just emerging from a painful divorce with his ex-wife, is stalked at his remote lake house by a psychotic stranger and would-be scribe who claims Rainey swiped his best story idea. But as Rainey endeavors to prove his innocence, he begins to question his own sanity.

Walter Sparrow is an animal control officer that becomes obsessed with a mysterious book that seems to be based on his own life. As soon as he opens the book, he notices strange parallels between what he reads and what he's experienced. But now he's worried that a fictional murder might materialize.

Chris and his girlfriend Rose go upstate to visit her parents for the weekend. At first, Chris reads the family's overly accommodating behavior as nervous attempts to deal with their daughter's interracial relationship, but as the weekend progresses, a series of increasingly disturbing discoveries lead him to a truth that he never could have imagined.

Julia moves in with her fiancé, David, but his ex-wife and her own haunting past join forces to rock her quiet suburban existence.

Newlywed Jennifer is brutally attacked at a dark rest stop. While healing from her injuries, she can’t recall anything from her past, including the ordeal. Her husband, Russell , is just thankful she’s alive and eager to get her home. As he reintroduces her to their secluded mountain estate, Detective Page pursues Jennifer’s assailant — his own daughter went missing and was never found. The same fate now awaits Jennifer, unless someone realizes that her loving caretaker is actually her captor.

Fifteen years after conjuring an imaginary phantom known as Mercy Black, a repentant woman returns to her hometown to live with her sister and young nephew. But as Mercy continues to haunt her and the death count rises, she must face her deepest terror and discover the truth of her past before Mercy Black claims her nephew. Daniella Pineda, Austin Amelio, Elle LaMont, Miles Emmons, Lee Eddy, and Janeane Garofalo star in this terrifying story of regret, redemption, and the dark side of belief.

A tormented jazz musician finds himself lost in an enigmatic story involving murder, surveillance, gangsters, doppelgangers, and an impossible transformation inside a prison cell.

After learning of an urban legend in which a demented serial killer named SMILEY can be summoned through the Internet, mentally fragile Ashley must decide whether she is losing her mind or becoming Smiley's next victim.

A woman is being watched in her apartment by a stranger, who also calls and torments her. A cat-and-mouse game begins.

Kafka, an insurance worker gets embroiled in an underground group after a co-worker is murdered. The underground group is responsible for bombings all over town, attempting to thwart a secret organization that controls the major events in society. He eventually penetrates the secret organization and must confront them.

Suspecting that people around him are turning into evil creatures, a troubled man questions whether to protect his only friend from an impending war, or from himself.

A psychological thriller from the writer of the original "Twilight Zone!" In a showdown of man vs. machine, Martin plunges into a chaotic nightmare trying to save his mind from the megalomaniacal corporation!

After a painful breakup, Leah seems to meet the perfect guy. But she soon discovers his violent side that disrupts her life.

When New York psychiatrist Bill Capa visits Los Angeles to take over his murdered colleague's therapy group, he finds himself embroiled in the thick of a mystery when he bumps into Rose and begins a torrid affair.

A thriller centered on an institutionalized young woman who becomes terrorized by a ghost.

California, Mojave Desert, 1998. A strange glow appears in the sky. Sam, a forty-something door-to-door salesman, travels through the few inhabited zones of the Californian desert in search of clients.

After David Kim's 16-year-old daughter goes missing, a local investigation is opened and a detective is assigned to the case. But 37 hours later and without a single lead, David decides to search the one place no one has looked yet, where all secrets are kept today: his daughter's laptop.

When Ellen, the matriarch of the Graham family, passes away, her daughter’s family begins to unravel cryptic and increasingly terrifying secrets about their ancestry.

Husband and wife Gabe and Adelaide Wilson take their kids to their beach house expecting to unplug and unwind with friends. But as night descends, their serenity turns to tension and chaos when some shocking visitors arrive uninvited.

A woman wakes up every day, remembering nothing as a result of a traumatic accident in her past. One day, new terrifying truths emerge that force her to question everyone around her.

A psychiatrist, Martin Dysart, investigates the savage blinding of six horses with a metal spike in a stable in Hampshire, England. The atrocity was committed by an unassuming seventeen-year-old stable boy named Alan Strang, the only son of an opinionated but inwardly-timid father and a genteel, religious mother. As Dysart exposes the truths behind the boy's demons, he finds himself face-to-face with his own.

An arrogant, high-powered attorney takes on the case of a poor altar boy found running away from the scene of the grisly murder of the bishop who has taken him in. The case gets a lot more complex when the accused reveals that there may or may not have been a 3rd person in the room. The intensity builds when a surprise twist alters everyone's perception of the crime.

"Broken Vows" tells the story of Patrick Flynn (Bentley), whose charm and charisma masks a profound psychosis. Patrick seduces Tara Bloom (Alexander), instantly becoming infatuated with the beauty. But when Tara rejects Patrick, he is sent spiraling into madness and delusion, erupting into psychotic rage. Tara is forced to find the strength to stop Patrick from destroying her love, her family, and her life.

Simon Cable wakes up in a hospital bed, confused and disoriented. He soon discovers from doctors that he has amnesia and is unable to remember the last two years of his life. Cable investigates what has happened to him and slowly pieces together his enigmatic past.

A couple facing marital problems after losing their child finds their life together further complicated by a mysterious visitor.

After witnessing a miracle, a young Latina woman experiences strange things as a police detective searches for the truth behind his partner's death.

A young Englishman plots revenge against his mysterious, beautiful cousin, believing that she murdered his guardian. But his feelings become complicated as he finds himself falling under the beguiling spell of her charms.

Dead bodies begin to turn up all over the city, each meeting their demise in a variety of grisly ways. All investigations begin to point the finger at deceased killer John Kramer.

During the 1980s, a failed stand-up comedian is driven insane and turns to a life of crime and chaos in Gotham City while becoming an infamous psychopathic crime figure.

A teenager's attempts to bring a brilliant surgeon into his dysfunctional family take an unexpected turn.

A mild-mannered college professor discovers a look-alike actor and delves into the other man's private affairs.

A woman grieving over the death of her daughter loses grip of reality when she begins to think her girl may still be alive.

A wife and mother is consumed by the thought that her husband's co-worker is trying to win him away from her and their family.

A high-priced call girl is forced to depend on a reluctant private eye when she is stalked by a psychopath.

Chloe Keane is an stressed American fashion model living in London who is about to have the worst weekend of her life. She and her boyfriend are invited to attend a party at the house of a former rock-star named Stan and his weird family who live in the countryside. Chloe awakes the next morning only to find her boyfriend has abandoned her at Stan's house and she has been drugged and handcuffed to the bed.

Paul is a down-on-his-luck screenwriter who picks up a drifter and offers him a place to stay. However, when the deranged stranger takes Paul hostage and forces him to write, their unhinged relationship brings buried secrets to light.

Once a known counterculture figure, June E. Leigh now lives in self-imposed exile in her South Bronx apartment during the incendiary '77 Summer of Sam. When an unseen tormentor begins exploiting June's weaknesses, her insular universe begins to unravel.

An insurance investigator begins discovering that the impact a horror writer's books have on his fans is more than inspirational.

After a car crash, a criminal psychologist (Halle Berry) comes to, only to find that she's a patient in the same mental institution that currently employs her. It seems she's been accused of murdering her husband -- but she has no memory of committing the crime. As she tries to regain her memory and convince her co-workers of her innocence, a vengeful spirit uses her as an earthly pawn, which further convinces everyone of her guilt.

A supernatural thriller set in the Western frontier of the late 1800s, The Wind stars Caitlin Gerard as a plains-woman driven mad by the harshness and isolation of the untamed land.

Víctor is a child who is found casually roaming by a country road. His mother, Patricia, a well-known lawyer specialist in media trails, realizes about it and she goes to the hospital, where explains to the police that Víctor is deaf, and he's unable to talk, speaking using sign language. In the police headquarter Víctor explains that he was kidnapped by a strange man when we was entering to the school. The police identifies a possible suspect named Charlie, a man with money troubles and an 8-months pregnant wife who can't explain where he was when Víctor was kidnapped from the school. Seeing the inability of the police to arrest Charlie after some failed attempts to meet Víctor, Patricia contacts Raúl, Patricia's former love interest and Víctor's father, to ask him that he or a friends of him threat seriously Charlie. But when is discovered that Víctor made a false identification, Patricia tries to stop Raúl, starting a chain of events which consequences will be out of control...

A reality TV director copes with a spoiled celebutante and a show gone haywire when a masked killer starts bumping off the crew in this slasher-movie satire.

A reclusive surveillance expert is hired to spy on a mysterious blackmailer, who just may be a serial killer.

A group of six tourists looking to go off the beaten path, hire an 'extreme tour guide'. Ignoring warnings, he takes them into the city of Pripyat, the former home to the workers of the Chernobyl nuclear reactor, but a deserted town since the disaster more than 25 years earlier. After a brief exploration of the abandoned city, the group members find themselves stranded, only to discover that they are not alone.