Season 4

A single mom is excited when she meets a popular, good-looking guy online, and is filled with hope as their friendship blossoms. But when she goes to meet him in the flesh, her dream date turns into a living nightmare.

A high-school student falls for a blonde beauty online. But the course of virtual love doesn't run smooth as the past collides with a toxic present, shattering lives.

A lonely musician thinks he's found his dream woman in Brazil through an online dating Web site. But as the exotic romance heats up, money starts to go missing.

A retiree moves to Florida to be closer to his son, but loneliness consumes him. He turns to Internet dating and finds a 69-year-old companion, but is soon struck by a rush of unexplained illnesses.

A woman adopts a 6-year-old on an online re-homing forum for children. She's soon inspired to help re-home other children, but is horrified when she discovers two of the children may have fallen into the clutches of a child abuser.

Adopted 17-year-old Chelsea Schobert has always felt out of place at home. She seeks acceptance online, where she meets Shawn. But as their relationship develops, all is not as it seems and the whole family is drawn into a devastating series of events.

Twenty-four-year-old Jessika Rovell falls for Jeffrey Marsalis' charm and good looks, but when she discovers his secret online life as Dr. Jeff, she realizes she's been dating a monster who stalks dating Web sites.

Twenty-three-year-old Amanda Taylor shares her entire life on the Internet. Following a terrible tragedy, her posts begin take a dark turn.

Nikki McPhatter has a busy work and social life, but there's only one thing missing: true love. When she doesn't show up for her usual work shift, her friends and family immediately worry—and point to her online relationships.

Fifty-year-old Beverly Carter is an Internet savvy real-estate agent, but when she goes to meet a prospective buyer at a remote house, she goes missing. The search for Beverly goes viral, but depends on unraveling a web of false identities and fake clues.

When Alicia DeBolt goes missing, a helpful neighbor points the finger at an older kid she's been hanging out with. When police discover a string of texts on her cell phone, the net closes in on a sadistic killer whose obsession leads to tragedy.