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

Westfield, New Jersey, an affluent suburb just outside the bustle of New York City, is home to picture-perfect homes and families alike. In 1971, in the grand home of John List and his family, a true monster hides behind the stately façade.

Reggie and Carol Sumner live in Florida 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 and her husband, John, discover that someone has broken into their Allentown, Pennsylavania house, they think they know who did it. But 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 man robbing a house is interrupted by the daughter of the house, Sarah Harris, and later her father, the intruder goes to horrible lengths to cover 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. But 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 finds more than she bargained for in her hotel room.

After a recent 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 and takes his life into his own hands to protect himself and his family.

Your Worst Nightmare is a 60-minute ID network true crime show. This narrated show blends reenactments of key events with commentary from law enforcement, criminal justice professionals, and friends and family of the victims.