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.

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.