Two young American women go on a Mediterranean vacation and uncover the watery lair of a killer mermaid hidden beneath an abandoned military fortress.

12-year-old Ryan moves to the town where her father was born—a bleak, dying fishing town. However, exploring the coast, she discovers a cove that is home to a mysterious girl named Coral who reveals herself to be a mermaid.

An evil Mermaid falls in love with Marina's fiancé Roman and aims to keep him away from Marina in her Kingdom of Death under water. The Mermaid is a young woman who drowned a few centuries ago. Marina only has one week to overcome her fear of the dark water, to remain human in the deathly fight with the monsters and not to become one herself.

A young reporter and his niece discover a beautiful and enchanting creature they believe to be the real little mermaid.

An artist dealing with the grief of his wife leaving him finds solace in painting the squalor of the sewer. He discovers a trapped mermaid, whom he brings home to heal. Her condition worsens, and she asks the artist to paint her before she dies.

A woman becomes very curious about one of her psychiatrist husband's inmates, a man who was found guilty in the murder and disfigurement of his former wife.

A tale of terror. Cathy Reed has been institutionalized most of her life because of Schizophrenia, as a child her parents thought she was possessed by demons and had her exercised by priests. Medical science saw different. Now decades later Cathy is freed, relocated to her own flat and given a chance to be independent. Once alone things are not what they all seem and when her nightmares turn real she questions her state of mind before she is left to face her demons.

A young psychiatrist applies for a job at a mental asylum and must pass a test by interviewing four patients. He must figure out which of the patients, is in fact, the doctor that he would be replacing if hired.

A pair of coworkers gets trapped in an elevator over a long weekend, but what at first promises to be a romantic connection turns nefarious as each party begins to reveal who they truly are.

15-year-old Mia faces an overwhelming transformation which puts her entire existence into question. Her body is changing radically, and despite desperate attempts to halt the process, Mia is soon forced to accept that nature is far more powerful than she is.

After their prison ship sinks in the Caribbean, a group of prisoners and a doctor wash ashore on a seemingly deserted island. They soon discover a strange couple, who invite them to stay at their house. While the prisoners plan an escape, the doctor does some investigating, and soon finds out just what the pair are really doing, and why the prisoners keep disappearing mysteriously.

Two sisters on Mexican vacation are trapped in a shark observation cage at the bottom of the ocean, with oxygen running low and great whites circling nearby, they have less than an hour of air left to figure out how to get to the surface.

An Oxford 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.

Six people, each of them is on the road to self-destruction. They wake up in cells in a surreal facility, without knowing how they got there or why.

A young woman survives a great white shark attack, whilst on a family boating vacation, however soon realizes the nightmare is far from over. Those around her can not be trusted, and she must face her demons, if she is to step back in the water.

A young woman attempts to cure her phobia of the boogeyman by checking herself into a mental health facility, only to realize too late that she is now helplessly trapped with her own greatest fear.

Two mermaid sisters, who end up performing at a nightclub, face cruel and bloody choices when one of them falls in love with a beautiful young man.

A socially awkward teenager is blindsided when her mother introduces her to her new fiancée. At first, his charm, intelligence, and beauty seem too good to be true, and after a series of strange occurrences, the teenage daughter realizes that this new member of their family is not exactly who he seems.

A young psychiatric intern unearths secrets about the mental health facility in which he works.

Shenxiu has felt a deep sadness since her mother left. A storm plunges her into a dreamlike world of swirling colour. Led by the Hyjinx, and joined by inventive underwater chef Nanhe, she embarks on a quest to find solace in the Eye of the Deep Sea.

After a frantic suicide attempt, Veronika awakens inside a mysterious mental asylum. Under the supervision of an unorthodox psychiatrist who specializes in controversial treatment, Veronika learns that she has only weeks to live.

A woman is sent to a mental institution after stabbing her classmate in an attempt to conjure an evil spirit called, Mercy Black. Fifteen years later she's released, and must save her nephew, who has become obsessed with the phenomenon.

The crew of a West of Ireland trawler—marooned at sea—struggle for their lives against a growing parasite in their water supply.

A group of grad students have booked passage on the fishing trawler Harbinger to study the effects of global warming on a pod of Orcas in the Bering Sea. When the ship's crew dredges up a recently thawed piece of old Soviet space wreckage, things get downright deadly. It seems that the Russians experimented with tardigrades, tiny resilient animals able to withstand the extremes of space radiation. The creatures survived, but not without mutation. Now the crew is exposed to aggressively mutating organisms. And after being locked in ice for 3 decades, the creatures aren't about to give up the warmth of human companionship.

A pandemic strikes the world. What does quarantine do to a lonely woman's mind? Follow her from sense to insanity. No filters. Just you, her, and her more and more twisted mind.

Anger stemming from being abused as a child drives an alcoholic's daughter to kill as an adult.

A scientific mishap causes the species of an aquarium to become zombies.

The teenager Madison McBride is traumatized by the loss of her deranged father when she was nine years old and the suicide of her beloved brother Brandon one year ago. She decides to join the Richard Miller University, where Brandon committed suicide, to overcome her demons. While walking to her dorm, she meets the weird janitor Wilbur Mackey that tells her that the place is haunted.

The story of a beautiful mermaid who gave up a kingdom for her beloved prince.

A woman is involuntarily committed to a mental institution where she is confronted by her greatest fear.

A psychiatrist faces his past, present and future when he finds himself involved in the treatment of a young man recently released from prison for a murder committed when the boy was just 11 years old.

After hitting a breaking point, Hannah's inner thoughts physicalize into a monstrous creature that threatens to upend her life.

The sadistic tale of a lonely, mentally handicapped boy who befriends his reflection in an antique mirror. This demonic creature orders him to go on a murderous rampage to kill the people he loves most.

A family gets trapped in their storm flooded vacation rental, tries to escape from a hungry shark that made it's way into the house.

Somewhere in Eastern Europe. Carole is a young nurse with a humanitarian aid group that has reached the end of its mission. But just then, the young woman and her two colleagues are kidnapped by strangers for mysterious reasons. Held captive, cared for and kept alive in an oppressive and sinister setting, the three prisoners soon discover with horror what their kidnappers truly have in store for them.

A man rescues a mermaid in Paris and slowly falls in love with her.

A true story of a young woman whose abusive childhood results in her developing a multiple personality disorder.

An investigative reporter Nellie Bly, who’s on a mission to expose the deplorable conditions and mistreatment of patients at the notorious Women’s Lunatic Asylum, and feigns mental illness in order to be institutionalized to report from the inside. The movie is an account of actual events surrounding Nellie’s stay beginning after she has undergone treatment, leaving her with no recollection of how she came to the asylum or her real identity.

Chris Kody, imprisoned member of the US military, is released from prison and reunited with his old team in order to pursue a renegade scientist. The catch, the scientist has developed mind control technology that can make even your friends into heartless killers.

A group of cooks at an asylum for the criminally insane get locked in with the inmates during a massive thunderstorm

A severely injured man and woman awake in an abandoned sanitarium only to discover that a sadistic caretaker holds the keys to their freedom and the horrific answers as to their true identity.

While on a class observation trip at a local mental hospital, young psychology major Abby Jones, has a chilling encounter with high-risk patient, Harmon Porter. She returns home for an evening of normal study with her two roommates unaware of the darkness she’s awakened within him.

A young nurse, Alma, is put in charge of Elisabeth Vogler: an actress who is seemingly healthy in all respects, but will not talk. As they spend time together, Alma speaks to Elisabeth constantly, never receiving any answer.

A troubled young woman wakes up one day as a different person - someone who is stalked by creatures.

When the citizens of a small evangelical town systematically begin committing suicide, a young girl struggling to reconcile her Christian upbringing with her desire to experience the outside world finds her faith put to the ultimate test.

Vincent Bruce, a war veteran, begins working as an occupational therapist at Poplar Lodge, a private psychiatric facility for wealthy people where he meets Lilith Arthur, a charming young woman suffering from schizophrenia, whose fragile beauty captivates all who meet her.

Because of the actions of her irresponsible parents, a young girl is left alone on a decrepit country estate and survives inside her fantastic imagination.

A teen learns that his birth mother is a mermaid after he begins to grow fins and slimy scales on his thirteenth birthday.

People living at a seashore town are frightened by reports of an unknown creature called "the sea devil". Nobody knows what it is, but it's really the son of doctor Salvator. The doctor performed surgery on his son and now young Ichtiander can live under water. This gives him certain advantages, but also creates a lot of problems.

Kristen, a troubled young woman, is captured by the police after burning down a farmhouse and is locked in the North Bend Psychiatric Hospital. Soon, she begins to suspect that the place has a dark secret at its core and she's determined to find out what it is.

Rivalries, dark secrets, and sexual tension emerge when three best friends find themselves stranded on a yacht in the middle of the ocean under suspicious circumstances.

In this animated follow-up to Fairytopia, Elina enlists the help of a mermaid, Nori, to save her friend Nalu, a merman prince who has been captured by the wicked Laverna.

A screenwriter travels to an abandoned house to finish a script on time, but a series of strange events lead her to a psychological breakdown.

On the mysterious planet of Ash, Riya awakens to find her crew slaughtered. When a man named Brion arrives to rescue her, an ordeal of psychological and physical terror ensues while Riya and Brion must decide if they can trust one another to survive.

A psychiatric hospital patient pretends to be crazy. In charge of caring for this patient, a caregiver will begin to doubt the mental state of his "protégé".

Twenty-three years after her hooker mother tried to kill her in the womb Helen remains damaged psychological goods. A mindset that gets worse when she suffers a traumatic head injury in an accident. Awakening in hospital, it’s discovered Helen has a tumour growth in her brain causing her to experience dark visions, disembodied voices and the omnipresence of a strange young woman. Soon, lost in a walking nightmare, in which nothing is what it seems, and her vicious actions barely remembered, it becomes crystal clear that whatever is inside her cracked psyche will stop at nothing to get out.

The Nereus is a fifty-year-old Ice Breaker, salvaged by an idealistic crew on a mission to catch illegal fisherman. On chase, the crew find themselves well off-course and bearing down on a body mysteriously floating in the middle of the Devil’s Sea. Superstitious or not, the team soon discovers they’ve rescued a deadly creature feeding on the lifeless body. Their new mission—kill or be killed and preferably before they hit land.

Suki is a young woman confronting her destructive mental illness using "The Siamese Burn," an experimental machine designed to eliminate multiple personalities. The closer Suki comes to being "cured," she's haunted by a thought... what if the last unwanted identity turns out to be her?

Researchers on the undersea lab Aquatica have genetically altered the brains of captive sharks to develop a cure for Alzheimer's disease. But there's an unexpected side effect: the sharks got smarter, faster, and more dangerous. After a big storm damages their remote research facility, they must fight for their lives.

A rag-tag team of divers attempting to salvage a sunken car from a river are thwarted by a highly aggressive bull shark.

When a gloomy, God-fearing island community is rocked by the assault of an infant, a psychiatrist is called in to examine Dorothy Mills, the teenager accused of the crime. Despite the villagers' hostility to her inquiry, she soon comes to suspect that Dorothy suffers from multiple personality disorder...

In the fishing village of Cedar Bay, terror lies within the water. And now it has surfaced in search of something more substantial to devour than marine life: human flesh. A captain and a sea biologist must wage a terrifying battle against the deadly creatures in order to save mankind from total extinction.

Madison is paralyzed by shocking visions of grisly murders, and her torment worsens as she discovers that these waking dreams are in fact terrifying realities with a mysterious tie to her past.

Two divers are left out at sea without a boat. There’s nothing but water for miles, unless they look at what’s underneath them...

An African American male is imprisoned and placed in solitary confinement after being found guilty of murdering his wife, as he's haunted by internal demons and his dead wife, and pushed to the breaking point by an abusive female guard.

While James More is held captive by terrorists in Somalia, thousands of miles away on the Greenland Sea, his lover Danny Flinders prepares to dive herself in a submersible into the deep bottom of the ocean, tormented by the memories of their brief encounter in France and her inability to know his whereabouts.

A couple celebrates their son’s birthday in the middle of the ocean on their boat. A violent storm hits and it brings up hungry creatures from the depths and they fight for their survival.

When they're hired to recover the lost treasure of Columbus, married scuba divers Sebastian and Dani think they've hit the jackpot. But as they get closer to the fortune, the couple begins to suspect their employers have their own agenda. Hitting upon the real plan, the two come to the chilling realization that they may be expendable and that there's much more than riches at stake.

Following a brutal assault, a college co-ed's life spirals until she encounters her assailant while working as a dancer. The predator has become the prey, and the prey has set her sights on revenge.

A troubled college freshman resurrects his imaginary friend to help him cope with a violent trauma.

Five dangerous patients, suffering from extreme phobias at a government testing facility, are put to the ultimate test under the supervision of a crazed doctor and his quest to weaponize fear.

A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.

In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.

An experimental submarine with a very experienced crew, the "Siren II" is sent to find out what happened to the "Siren I" after it mysteriously disappeared in a submarine rift. Things go awry when they begin to find things that shouldn't be there...

A young woman held in captivity discovers the realities of truth and lies in the outside world.

After nearly drowning in a lake, a young girl develops an abnormal fear of water and is plagued by visions of a mysterious dark figure. A year later, in an attempt to cure her phobia and visions, her skeptical friends stage a séance and subject her to a bathtub experiment, unwittingly summoning the dark figure into the world.

Follows a woman desperate to escape her town, she meets a stranger who promises a romantic escape, but it results in deceit, mistrust, and violence.

After Sofia helps a little mermaid named Oona, Sofia's amulet grants her the power to transform into a mermaid and visit her new friend's underwater kingdom. But when Cedric (disguised as a seamonster) plots to steal Oona's enchanted Mermaid Comb, danger surfaces for both worlds. With a little help from special guest, Princess Ariel, Sofia embarks on an adventure to rescue Oona and prevent a typhoon before it's too late.

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.

Neighbors in a block wake one morning to find they have been sealed inside their apartments. Can they work together to find out why? Or will they destroy each other in their fight to escape?

A traumatized shark expert must battle her own fears to lead a thrill-seeking businessman on a dive into a dangerous section of water known as "Shark Alley."

After the death of her father, a young woman travels to a remote convent on an island in the Black Sea to find out why her father funded it for years.

A man takes up residence with a mysterious marquis and is soon persuaded to enter into an asylum for preventative therapy. Things are not what they seem, and the marquis may be even more sinister than what the young man might have predicted.

Barbie stars as Merliah, a surfer who learns a shocking secret: she's a mermaid! She and her dolphin friend set out for an undersea adventure to rescue her mother, the queen of Oceana.

Dahlia Williams and her daughter Cecelia move into a rundown apartment on New York's Roosevelt Island. Dahlia is in the midst of divorce proceedings, and the apartment, though near an excellent school for her daughter, is all she can afford. From the time she arrives, there are mysterious occurrences—and there is a constant drip from the ceiling in her daughter's bedroom…

Ruby wakes from a bad dream to find herself in a real life nightmare. She's trapped in a basement, her legs are broken and she can't remember who she is or how she got there. Her kidnapper, Tom, tells her she will remain captive until she falls in love with him. Ruby is focused on trying to escape until Tom starts helping her to remember her past and she begins to question everything.

A group of friends escaping the city for a weekend away have a simple plan, to tour the coast for a relaxing weekend. Things hit a snag when one of the friends spots a seductive, sultry young woman waving for help off the shore of one of many secluded islands along the coast. Reaching out to rescue her turns deadly and they risk everything to get off the island alive.

After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.

A field surgeon suffering from PTSD after combat in the Middle East creates a living human out of body parts in his Brooklyn lab.

The crew of an experimental underwater nuclear base are forced to struggle for their lives when their explorations disturb a creature who threatens to destroy their base.

A woman trying to recover from a sexual attack is locked in a posh apartment with a corpse of the very man she's been dreaming would murder her. She tries to hang on to reality when objects around her seem to come to life.

Two Swedish/Norwegian half sisters go on a winter diving trip in Northern Norway, when they get trapped after a rockslide.

After again attempting to commit murder, a Jewish man with a mysterious past and extraordinary intelligence, charisma, and body control returns to an insane asylum, where he makes a startling discovery.

A man recently released from a mental institute inherits a mansion after his parents die. After a series of disturbing events, he comes to believe it is haunted.

A woman wakes up in a river. Wounded and without memory, then races to elude mysterious followers and recover from amnesia.

After being released from a mental hospital, a troubled young man tracks down an actress he once had sex with and forces her into captivity, determined to make her part of his life.

A savvy and free-spirited surfer is abducted by a shark-obsessed serial killer. Held captive on his boat, she must figure out how to escape before he carries out a ritualistic feeding to the sharks below.

A mariner survives an attack from the dreaded pirates of the Black Freighter, but his struggle to return home to warn it has a horrific cost.

In the dark silence of the sea during World War II, the submarine USS Tiger Shark prowls on what should be a routine rescue mission. But for the shell-shocked crew, trapped together in the sub's narrow corridors and constricted spaces, this is about to become a journey into the sensory delusions, mental deceptions and runaway fears that lurk just below the surface of the ocean.