Everyone loves 25-year-old graduate student Sandy Jeffers, but little does she know that one man is completely obsessed with her. When she finally comes face to face with her stalker, the events that follow are twisted, torturous, and ultimately fatal.

2006, Pocatello, ID. It's Cassie Jo Stoddart's first weekend house sitting by her herself, and she's determined to do a great job, but the high school student's weekend turns into a real-life horror movie when unexpected visitors terrorize the home.

When Martha Brailsford goes out sailing in Salem, Massachusetts, and doesn't return, her friends and family immediately suspect that something terrible has happened.

Two teenagers in love go missing from rural Logan, OH, and ten days later they both turn up dead -- brutally hacked to bits. The crime tears the small town apart, and it remains unsolved for 25 years until the shocking truth comes to light

Matthew Heikkila has always had a rocky relationship with his parents, but he has a plan on how to deal with them. On a cold November day, he murders them in their own home -- and is determined to keep the nightmare going for his girlfriend, Linda Perez.

Dana Point, CA. 1988: Weak, tired, confused, and deathly ill, Janet Overton, a wife and mother, was once the picture of health until she suddenly drops dead in her own driveway. Detectives must determine if her death was due to an undiagnosed illness or cold-blooded murder.

Reeling from the death of their mother in 1986, teenagers Annie and Jessica Andrews perform a seance to see if they can contact her spirit. Soon after, strange things start happening in their house in Pepperell, MA.

Westfield, NJ - an affluent suburb just outside the bustle of New York City, is home to picture-perfect homes and families alike. In the grand home of John List and his family, a true monster hides behind the stately facade.

Reggie and Carol Sumner live in Jacksonville, FL, where the 61-year-old retirees have recently settled into a more relaxed lifestyle. But when they mysteriously go missing after a visit from a former neighbor, investigators have to wonder if they left on their own.

When Denise Sam-Cali and her husband, John Cali, discover that someone has broken into their Allentown, PA home in 1993; they think they know who did it. One week after the break-in, Denise comes face to face with the intruder -- and she has no idea who he is.

When a masked robber is interrupted by both the daughter of the house, Sarah Harris, and her father, Ivon, the intruder goes to horrible lengths to cover up his crimes.

When Chanin Starbuck comes home to find her house has been vandalized, she fears her ventures in online dating are to blame.

After Lois Pearson turns down a date with her neighbor Jeffrey Maxwell, she thinks that's the last she'll see of him on her rural Texas land. Six years later, he's back, and it's clear he's still holding a grudge.

A flight attendant who never travels alone offers to break her own rule once for a quick trip to Detroit, but she finds more than she bargained for in her hotel room.

A woman and her daughter are kidnapped and held hostage by a man exacting revenge from his high school days.

After a encounter with a peeping tom outside his daughter's bedroom window and another with a masked man in his own hallway, Jerry Glaser thinks someone is trying to kill him, so he takes his life into his own hands to protect himself and his family.

It's Mother's Day, and first-time mom Tennyson Jacobson is looking forward to celebrating with her family, but when she spends the afternoon fighting off a violent intruder, she can't shake the feeling he'll soon be back to strike again.

The Millers have long suspected something's off with their oldest son Steven, but as he slips from strange into sinister, there's no telling how far Steven will go to get his respected New York family's attention.

College sophomore Gina Tenney is thrilled to be living all on her own, that is until she discovers she has a stalker. When she and her tormentor finally come face-to-face, it brings an even bigger surprise: this secret admirer is no stranger.

For 17-year-old Sarah Wisnosky, college is all about new experiences. When she catches the eye of a flirty frat boy, she's happy to play along, but soon she discovers he's hiding a dark secret. Sarah will need to break things off before it's too late.

Leaving a violent ex-husband and getting a problem co-worker fired, 21-year-old Cathy Whitehead is happy to build a life with the man of her dreams. When a stranger shows up on her doorstep one night, she's soon caught up in the web of a familiar foe.

Gary Taylor knows what people say about Catherine Mehaffey. Still, when he finally meets the sexy lawyer, he just can't stay away, but it's only a matter of time before Gary realizes he's made a grave mistake and that breaking things off won't come easy.

Small-town gal Frankie Cochran thinks she's found the one in handsome David Gerard, but as his behavior brings rising cause for concern, Frankie wonders if a secret from his past might hold more meaning than she first thought.

With a new home and loving fiance, single mom Lisa Filiaggi finally feels like luck is on her side. That is until troubles from her past come back to haunt her and threaten to destroy all her future plans.

While out for a run in the Montana wilderness, 22-year-old college student Kari Swenson is taken prisoner by two mountain men. When she learns of their twisted plans for her, she'll do everything she can to escape or die trying.

Sandi Musk thinks dating Andy LeFleur is a welcomed distraction from her ongoing divorce, but when it becomes clear he wants more than she's ready to give, she tries to call things off. Thing is, this is one guy who won't take "no" for an answer.

College dancer Jodi Sanderholm has spent weeks practicing her team's big performance, so when she vanishes just before the event, it doesn't make sense -- until a friend comes forward with strange details about the days leading up to Jodi's disappearance.

Florida teen Karen Slattery is enjoying a night babysitting her neighbors' children until a violent intruder bursts into the home and vanishes with no trace. With the community on edge, police know they don't have much time before he strikes again.

After a string of bad dates, Texas social worker Deborah Houchin believes she's finally found the man of her dreams. Not long after talk turns to marriage, Deborah disappears, and it will take the help of her coworkers to find out what happened.

Budding New York fashion designer Jenae Aragosa falls hard for bartender Trevor Frederick, but as a dark side of her new man comes to light, Jenae comes to realize she'll be lucky if she makes it out of this relationship alive.

20-year-old single mom Tracy Whitehead is starting to turn her life around when she falls for attentive Joby Palczynzki. As his jealousy starts to overtake their relationship, she soon comes to realize she can run, but she can't hide.

Cousins Ana Franklin and Jennifer Holliday are traveling home late one night when terror strikes. As Jennifer is taken hostage by an unstable man, she soon connects with a 911 operator who will stop at nothing to see that she makes it out alive.

Sisters Bre and Kayli Lasley have just moved into the perfect apartment in downtown Salt Lake City, unaware that a recent parolee is living close by. That is until one quiet night when suddenly their lives cross paths in an explosive way.

With a serial killer on the loose in Arlington, Texas, 22-year-old Adriane Fields can't shake the chilling suspicion that she's next on the list. Crippled by fear, she moves across town, only to come face-to-face with what she feared most.

When trusted legal assistant Gail Spencer fails to show up for work, her coworkers are rightfully concerned. As the sordid details of her abduction come to light, suddenly it seems like someone at the office may know more than they are letting on.

After separating from her husband of thirteen years, 36-year-old Julie Curry Boyd suddenly finds her life in danger. With three kids at home, she'll stop at nothing to keep them safe.

After college graduate Anita Wooldridge goes missing from her parents' home, investigators must rely on quick thinking and cunning police work, as they race against the clock to find her before it's too late.

After 30-year-old single mom Kaye Robinson turns a suspicious late-night stranger away from her door, she has no idea the threat to her family is far from over. But with her young son home, she'll do everything she can to keep him safe.

19-year-old Micah Rine is striking out on her own when she falls for fellow college student Thomas Pate. But when their love takes her far away from family and friends, Micah begins to wonder who she can really trust.

Karen Widdoss thinks she's finally rid of her possessive ex-boyfriend Leonard. But months into dating a new man, she can't shake the feeling she's being watched. When a stalker does step out of hiding, he doesn't look at all like she imagined.

After a failed relationship, 22-year-old Jennifer Hitchcock thinks she may have found that special someone when she meets Maurice Mason. But as soon as he moves in, she can't help but feel that someone is watching her every move.

After breaking free from her controlling ex-husband, single mom Tanya Petro meets Ron Gibson and falls helplessly in love. But just a few months into the relationship, Tanya mysteriously disappears.

20-year-old Audrey Mabrey is sure she has found Mr. Right when she connects with NYPD Detective Chris Hanney. But as the couple prepares for a life down in Florida, skeletons from their life in New York start to surface.

20-year-old Kristy Ray is living at home and working her way through college until one day she is shockingly abducted. Local law enforcement will need the help of the FBI and community members to find Kristy before time runs out.

As investigators dive into the missing persons case of 13-year-old Jessyca Mullenberg, they soon realize the meticulous planning that went into her kidnapping. And the lengths that her calculating abductor is willing to go to to avoid being caught.

It's love at first sight for 19 year old Ashleigh Lindsey when she is introduced to Josh Mahaffey by his roommate, Scott; then, she decides to move in with Josh and Scott, and it soon becomes clear there isn't room for three under the same roof.

Debbie Puglisi is enjoying life with her husband of nearly 25 years, Nino, in their new dream home. But when an unexpected visitor drops by the neighborhood, Debbie's whole world becomes her worst nightmare in a matter of minutes.

After a bad breakup, single mom Joi Partain finds love again with Jonathan Pearson. But after the couple moves to Ocala, Florida with Joi's daughter, troubles in their relationship spiral until they hit a bloody, brutal point of no return.

On a rare day off from work, single mom Carrie Caudill and a friend embark on a well-deserved girl's night out. But out of nowhere, an unexpected confrontation puts Carrie on a dangerous collision course with a calculating and sadistic madman.

When Natalie Purdie moves from New York City to Norfolk, Virginia, she quickly makes new friends both on and off her high school dance squad. But as Natalie's life revolves around dance, she has no idea a violent obsession revolves around her.

When Peggy Kinke returns to school to pursue her dream of becoming a doctor, she catches the eye of fellow student Patrick Kennedy. But their relationship leads them down a terrifying path of jealousy, obsession and murder.

Devastated by personal loss, Heather Kelso finds a fresh start in a familiar place and falls for charismatic Garry DeJesus. But jealousy and other friendships will ultimately drive a deadly wedge straight into the heart of their relationship.

Single mother Barbara Nunn relocates to Florida, but she struggles to find her way. After she lands a job at a local diner, it appears her troubles are finally behind her. But then one night, a surprise confrontation with customers ends in murder.

Tammie Craycraft Smith, a 30-year-old recent divorcee, finds herself working two jobs to make ends meet. But Tammie's trusting nature and desire to be loved leave her vulnerable to deception, betrayal, and deadly consequences.

Shelia Dates and her daughter Regina are more than blood relatives - they're best friends and roommates too. But one morning, their lives are irrevocably changed the moment two unexpected guests appear at their doorstep.

With her big heart and generous spirit, Michelle Cable is the rock of her family; her kids Billy, Jessica, and Josh are the center of her world. But her soft spot for troubled men leaves her vulnerable to evil intentions and deadly consequences.

With her good looks and sunny demeanor, doctor's assistant and part-time model Christine Kent attracts her fair share of admirers. But after one encounter ignites jealousy and obsession, Christine is blind-sided by the devastating consequences.

Jeanne Smith and her two daughters, Marie and Anna, make for a tight-knit, family trio. But when Jeanne and Anna go looking for love in all the wrong places, it ends in heartbreak, lies, and murder.