A reporter witnesses a brutal murder, and becomes entangled in a mystery involving a pair of Siamese twins who were separated at birth, one of them forced to live under the eye of a watchful, controlling psychiatrist.
After a car crash, a criminal psychologist regains consciousness 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.
Upon receiving a mysterious letter that her mother's grave has been vandalized, Marie travels to the desolate island town where she's buried. Just as she arrives, the island closes for the season, leaving Marie trapped in a nightmare.
In the middle of a routine patrol, officer Daniel Carter happens upon a blood-soaked figure limping down a deserted stretch of road. He rushes the young man to a nearby rural hospital staffed by a skeleton crew, only to discover that patients and personnel are transforming into something inhuman. As the horror intensifies, Carter leads the other survivors on a hellish voyage into the subterranean depths of the hospital in a desperate bid to end the nightmare before it's too late.
Trapped in a London subway station, a woman who's being pursued by a potential attacker heads into the unknown labyrinth of tunnels beneath the city's streets
A romantic getaway for two troubled college sweethearts turns into a struggle for survival when unexpected guests – and the surrounding environment – exhibit signs of a mysterious infection.
Over six tumultuous decades, three unwitting guests of a cursed New England home stumble upon a sinister secret dwelling beneath its floors - an eternal witch with an insatiable thirst for the souls of the living.
Fifteen years after murdering his sister on Halloween Night 1963, Michael Myers escapes from a mental hospital and returns to the small town of Haddonfield, Illinois to kill again.
After witnessing a bizarre, traumatic incident involving a patient, Dr. Rose Cotter starts experiencing frightening occurrences that she can't explain.
Two psychotic young men take a mother, father, and son hostage in their vacation cabin and force them to play sadistic "games" with one another for their own amusement.
When neighborhood kids begin vanishing, Jenny suspects her child psychologist husband, Carter, may be resuming the deranged experiments his father performed on Carter when he was young. Now, it falls to Jenny to unravel the mystery. And as more children disappear, she fears for her own child's safety.