Heather, a grocery store barista, has just began dating her most recent hire, Arturo. But as time goes by, Arturo is unable to hide his dark side. His obsession with Heather comes at the expense of their relationship, his job - and her life.

When Rose moves out of her parents' home, she is excited to expand her horizons. She soon meets 21-year-old Mike who introduces her to the world of punk music and parties. But when he turns violent, Rose gets caught up in his obsessive trap.

Linda, a special ed teacher, has taught Todd for years. With learning problems and a temper, Todd only wants Linda to teach him. Torn between helping him and protecting herself, Linda's world turns upside down when Todd's obsession comes knocking.

In the Spring of 2003, 37-year-old single mother Karen Richardt has a chance meeting with her Brooklyn neighbor Carlito Perez. But when Karen tries to distance herself, no one could have predicted the deadly cycle of violence he would unleash.

Krystal is a teacher and practicing Pagan living happily with her husband Bill. When she takes part in a local Wiccan-themed TV show, she catches the eye of the show's host. As his keen interest turns into obsession, he vows to claim her as his own.

41-year-old single mother Patty is excited about a new chapter in her life when she begins dating one of her customers, Vietnam veteran Dale. But when he becomes violent on their first date, she is quickly sent into a desperate struggle for survival.

Tara opens a chilling text from a nameless sender; someone who knows her and means her harm. As she fights to protect herself and her family from this invisible enemy, she begins to question everyone - especially those closest to her.

Everything is looking up for 27-year-old Kisha Kelly after she buys her first home in Dallas, Texas. But within days of moving in, she encounters the former owner of the property and immediately realizes he's taken on a deadly obsession.

When New York attorney Marc successfully defends a client, he has no idea that her gratitude will soon become a nightmare. As a talented impersonator, Marc's ex-client causes chaos and suffering in a terrifying mission to win his affection.

When US postal worker Kim accepts a ride to the Orange County fair from a quiet co-worker, she has no idea that she will become the center of a terrifying campaign of stalking, harassment, and obsession.

A landscaper with an obsession for his client won't take no for an answer.

When young professional Hannah moves into the house of her dreams, her privacy is shattered after a mysterious man begins filming her through her window. As his obsessive and threatening behavior escalates, she gambles on a violent confrontation.

When maternal senior psychiatric nurse Maria Jordan fires erratic, heroin-addicted junior nurse Denis Czajkowski, it triggers an all-consuming obsession with Maria that culminates in him holding her hostage for an unimaginably bloody 48 hours.

Yvette and Roger's marriage has broken down but Roger can't stand to see Yvette with another man and decides she must die -- in front of all her colleagues. If he can't have her, then no one will.

While 18-year-old Jennifer is recovering from a brain tumor, she's visited by a member of her congregation, reformed ex-con Bill. But her gratitude soon turns to fear as it becomes obvious Bill wants to keep Jennifer as his own -- forever.

Evimer, a beautiful young woman afraid of love, meets a handsome stranger who she soon falls deeply for. But his charm turns to violent jealousy and Ramon becomes convinced that if he cannot have Evie, nobody can.

Sarah is dating a young, handsome pastor but soon discovers her preacher man is hiding unholy secrets on a biblical scale. He is prepared to silence Sarah and her whole family to stop her leaving him.

A Texas politician and his wife are stalked by their private pilot, who will stop at nothing to destroy them.

Kaylyn is an introverted high school student, bullied by the popular kids and struggling to fit in. But then she finds the perfect soulmate in newcomer Paul. Sharing a passion for comics and escapism, they fall in love but when Kaylyn starts a new life at college, Paul becomes increasingly jealous. Unable to contain his simmering rage, Paul will turn his car into a deadly weapon and leave Kaylyn's life hanging by a thread.

Single mom Mary Lynn falls for divorcee Edmonds, but early on she realizes there is something not quite right about his 10 year old son, Tennent. What she doesn't know is that Tennent doesn't just like Mary Lynn, he wants to become her. It's the beginning of a terrifying 22 year obsession that will devastate both families.

When Idaho hairdresser Makaela Zabel-Gravatt begins cutting the hair of truck driver Christopher Wirfs, little does she realize that it signals the start of a two-year long nightmare that will end in the most heart-stopping and disturbing way.

When a single mother of two bumps into her old schoolmate, she thinks she's met her soul mate. But his charm hides a possessive, violent man. After they separate, his obsession deepens and she fights to protect her family.

When Olympic gold medalist Sheila Taormina agrees to help wannabe triathlete James Ludham, she doesn't know he wants more than just coaching. His dark fantasies take over her life until she has no other choice but to face him, and her fears, head on.

Katie Call's life spirals into a terrifying nightmare as her ex, Todd, refuses to accept the collapse of their relationship. Without her knowing, he hides video cameras and microphones in her home, biding his time to wreak a bloody revenge.

Christine's life with abusive husband Shane is a cycle of fear, humiliation and violence; after Christine escapes with her children, Shane sets off in pursuit, kicking off a series of terrifying and shocking events leading to a bloody conclusion.

Michelle ends her relationship with alcoholic Richard and is looking forward to getting on with her life, but Richard can't let go, and his growing obsession will lead to a violent conclusion.

Excited about a fresh start, single mother Savannah and her son move to a new neighborhood, but she has no idea that her friendly-seeming neighbor will form an obsession with her that grows increasingly dangerous on the other side of her wall.

After Katerina leaves her husband and he fights back in imaginative ways to cause her pain, including getting her locked up for a crime she didn't commit, Katerina must do the unthinkable if she wants to escape forever.

When single mother Rosita accepts a stranger's friend request, she has no idea he's hiding a terrifying secret that will lead to a deadly game of cat and mouse.

Sandra never expected such extreme reprisals from her onetime partner, Norman, but when her daughter gets caught in the crosshairs, no one can predict how far Norman will go.

Following her divorce, Cristi buys a new home that needs some work and hires a handyman who becomes fixated on her.

Eighteen-year-old Misty's parents warn her against becoming involved with a man who is nearly 15 years her senior, but no one realizes that Misty is actually in horrible danger.