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.