What starts as a poignant medical documentary about Deborah Logan's descent into Alzheimer's disease and her daughter's struggles as caregiver degenerates into a maddening portrayal of dementia at its most frightening, as hair-raising events begin to plague the family and crew and an unspeakable malevolence threatens to tear the very fabric of sanity from them all.

Detectives are thrust into a chilling hunt for a sadistic serial killer from the past whose return marks the beginning of a new wave of grotesque, otherworldly crimes tied to a cosmic force.

Rejected by her lover, the only man left in Cheryl's life is the orphaned nephew she has raised as her own son. She'll stop at nothing to keep Billy with her. When her plans misfire, she is swept up into an insane frenzy that means death to anyone who comes between her and her obsession. But the investigating detective is convinced that Billy is the real killer - and determined to prove it. Madness and fanaticism work together to drag all concerned into a terrifying vortex of blood-letting that adds a nightmarish twist to the classic Oedipus story.

Looking for work, Aaron comes across a cryptic online ad: "$1,000 for the day. Filming service. Discretion is appreciated." Low on cash and full of naiveté, he decides to go for it. He drives to a cabin in a remote mountain town where he meets Josef, his cinematic subject for the day. Josef is sincere and the project seems heartfelt, so Aaron begins to film. But as the day goes on, it becomes clear that Josef is not who he says, and his intentions are not at all pure.

Two men wake up to find themselves shackled in a grimy, abandoned bathroom. As they struggle to comprehend their predicament, they discover a disturbing tape left behind by the sadistic mastermind known as Jigsaw. With a chilling voice and cryptic instructions, Jigsaw informs them that they must partake in a gruesome game in order to secure their freedom.

As he helps a young artist with her upcoming exhibition, the owner of a mannequin shop's deadly, suppressed desires come to the surface.

Finney Blake, a shy but clever 13-year-old boy, is abducted by a sadistic killer and trapped in a soundproof basement where screaming is of little use. When a disconnected phone on the wall begins to ring, Finney discovers that he can hear the voices of the killer’s previous victims. And they are dead set on making sure that what happened to them doesn’t happen to Finney.

A young woman studying the habits of webcam chat users from the apparent safety of her apartment witnesses a brutal murder online and is quickly immersed in a nightmare in which she and her loved ones are targeted for the same grisly fate as the first victim.

A crew from a paranormal reality television show lock themselves in a haunted psychiatric hospital. They search for evidence of paranormal activity as they shoot what ends up becoming their final episode.

Jordan Turner is an experienced 911 operator but when she makes an error in judgment and a call ends badly, Jordan is rattled and unsure if she can continue. But when teenager Casey Welson is abducted in the back of a man's car and calls 911, Jordan is the one called upon to use all of her experience, insights and quick thinking to help Casey escape, and not just to save her, but to make sure the man is brought to justice.

Disgraced journalist Mikael Blomkvist investigates the disappearance of a weary patriarch's niece from 40 years ago. He is aided by the pierced, tattooed, punk computer hacker named Lisbeth Salander. As they work together in the investigation, Blomkvist and Salander uncover immense corruption beyond anything they have ever imagined.

After finding an ad online for “video work,” Sara, a video artist whose primary focus is creating intimacy with lonely men, thinks she may have found the subject of her dreams. She drives to a remote house in the forest and meets a man claiming to be a serial killer. Unable to resist the chance to create a truly shocking piece of art, she agrees to spend the day with him. However, as the day goes on, she discovers she may have dug herself into a hole from which she can’t escape.

Crazed members of a sadistic family return to their childhood home to terrorize the new owners.

Two journalists set out to document their friend's journey to reunite with his estranged sister. They track her to an undisclosed location where they are welcomed into the remote world of "Eden Parish," a self-sustained rural utopia composed of nearly two hundred members and overseen by a mysterious leader known only as "Father." It quickly becomes evident to the newcomers that this paradise may not be as it seems. Eden Parish harbors a twisted secret. What started as just another documentary shoot soon becomes a fight for survival.

A group of high school outcasts get revenge on the students that torment them.

A thirsty teenager's home video leads to a series of horrifying revelations, harkening back to the final punk rock analog days of VHS, while taking one giant leap forward into the hellish new millennium.

After witnessing a mysterious woman brutally slay a homemaker, prostitute Liz Blake finds herself trapped in a dangerous situation. While the police thinks she is the murderer, the real killer is intent on silencing her only witness.

As a deadly battle rages over Jigsaw's brutal legacy, a group of Jigsaw survivors gathers to seek the support of self-help guru and fellow survivor Bobby Dagen, a man whose own dark secrets unleash a new wave of terror.

Thirty years after a murder on the night of Avalon Bay's graduation dance, the sleepy town's teens meet grisly ends at the hands of a prowler once thought to be a jilted soldier home from war.

George Manning is a well-to-do businessman, husband, and father. While his family is away on his birthday, he invites a pair of rain-soaked young women into his house to wait out an evening thunderstorm. The two girls seduce Manning and ultimately kidnap and torture him in his own home.