The harrowing story of a disturbed young man's attempts to win the affections of an unsuspecting young woman. When Doug first sees Amy, he instantly falls for her and begins to watch her every move, going so far as to set up spy cameras in her apartment. However, as his fascination grows into obsession he's no longer satisfied with just watching.
A top surgeon is besotted with a beautiful woman who once rebuffed him. Unable to come to terms with life without her, he tries to convince her that they need each other. She has other ideas, but a horrific accident leaves her at his mercy.
A young and naive college art student becomes obsessed with assuming the identity and personality of a departed coed who used to live in her room, and in so doing causes complications that result in two men, a student and her art professor, lusting after her.
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.
After being implicated in a murder, a young woman flees New York City and moves to Los Angeles, where she rents a room from a writer. They begin an affair, but it seems she's been followed by a homicidal duplicate of herself.
A man walks next to a vacant, ringing phone box. Thinking of it as a coincidence at first, his conversation with the stranger takes a dark turn when he discovers the call was meant for him.
Fleeing New York City, a failed marriage and a fragile mental history, artist Robert Forrester moves to small-town Pennsylvania. There he becomes fascinated with the simple domesticity of a beautiful neighbor, watching her through the windows of her home --- until she invites him in for coffee. He is drawn into a relationship with the young woman whose boyfriend goes missing; Robert becomes a murder suspect, gradually sensing he is the target of a larger plot.
Peter Winter is a young schizophrenic who is desperately trying to get his daughter back from her adoptive family. He attempts to function in a world that, for him, is filled with strange voices, electrical noise, disconcerting images, and jarringly sudden emotional shifts. During his quest, he runs afoul of the law and an ongoing murder investigation.
Rookie cop Megan Turner orders a burglar to drop his gun. He whirls to shoot. Too late. Turner fires, killing him instantly. When someone lifts the assailant's gun from the crime scene, the police hold Turner accountable for killing an unarmed man. That same someone carves Turner's name into the bullets and uses them in a series of murders. Turner teams up with detective Nick Mann to clear her name and catch the killer. But she is drawn into a deadly game of wits with a psychopath who's always one step ahead… and much closer than she thinks!
Elliot, a successful gynecologist, works at the same practice as his identical twin, Beverly. Elliot is attracted to many of his patients and has affairs with them. When he inevitably loses interest, he will give the woman over to Beverly, the meeker of the two, without the woman knowing the difference. Beverly falls hard for one of the patients, Claire, but when she inadvertently deceives him, he slips into a state of madness.
Three dancers receive a new flatmate, unaware of what shadowy evil they have welcomed into their home.
Gail and Tom Hartman are struggling to stay together and decide to take a white-water rafting holiday adventure in Montana for their son Roarke's 10th birthday, only to meet up with a pair of mysterious men whose desperation grows, turning their vacation into a nightmare.
A seductive teen befriends an introverted high school student and schemes her way into the lives of her wealthy family.
A man obsessed with conspiracy theories becomes a target after one of his theories turns out to be true. Unfortunately, in order to save himself, he has to figure out which theory it is.
When recently single Steven moves into his new apartment, cable guy Chip comes to hook him up—and doesn't let go. Initially, Chip is just overzealous in his desire to be Steven's pal, but when Steven tries to end the 'friendship', Chip shows his dark side. He begins stalking Steven, who's left to fend for himself because no one else can believe Chip's capable of such behaviour.
When David, Juliet, and Alex find their new roommate dead with a large sum of money, they agree to hide the body and keep the cash. However, this newfound fortune gradually corrodes their friendship.
A young soprano becomes the obsession of a disfigured and murderous musical genius who lives beneath the Paris Opera House.
The twisted tale of Kenneth, socially insecure technical writer who forms an obsessive relationship with "Nikki", an anatomically accurate silicone sex doll he orders over the Internet.
Kate and her brutish boyfriend Big Al sell handguns on the streets of New York. She's smart, stylish, and self-confident, but all that leaves her when Al, in a jealous and self-indulgent rage, beats her. Three friends encourage her recovery: Vic, a woman who would like to be Kate's lover; Reilly, who runs with Al but also is attracted to Kate and repulsed by Al's violence; and, Liz, the counselor assigned to Kate from a battered-women's program. Vic and Reilly talk about killing Al, Liz gives pep talks; Kate remains frightened. Will Al's menace and Kate's dependency hold sway?
After escaping from a mental hospital, a violent sociopath named Paul begins a dangerous rampage targeting Sofia, a world-famous pop star. Obsessed with her, he takes Sofia hostage in her own home, acting under the delusional belief that they are getting married. Paul is desperate to prove his devotion, leading to a tense and unpredictable situation.