Ty Underwood leaves her insular hometown to start fresh, vowing to be up-front with potential suitors about being transgender. Her shocking murder exposes chats with anonymous men on a phone app. The app may reveal a killer, but not identities.

When 18-year old Brittany Clardy starts dating an older man, her life veers from model student to lost soul. And when the teenager disappears, her family panics. Now, investigators must unravel her complicated life filled with secrets and regret.

Indle King hasn't seen his wife Anastasia since she abandoned him at the Moscow airport. After returning to Seattle alone, Indle meets with the detectives tasked with unraveling the series of events that led to his bride's mysterious disappearance.

Professor Tiffany Maher is a faculty favorite; intelligent and sociable, it's hard to believe that she could have any enemies. But when Tiffany is murdered, investigators discover a secret online life that may lead them to her killer.

After losing his dream girl to an older guy, Seath Jackson launches into a bitter social media war with his ex and her new man. Soon after, Seath disappears. Detectives work to find out if this is a runaway case or something more serious.

Parents return home from a trip to find blood everywhere, signs of struggle and their teenage daughter missing. Police combing the desert for her stumble on her charred remains digital clues soon lead them to a shocking secret and a deadly betrayal.

February, 2009: 32 year-old Becky Brosnan has disappeared. A Myspace message says she's left "to find herself," but everyone says Becky wouldn't abandon her children. Now, detectives must piece together Becky's life to uncover what happened to her.

27 year-old Ashley Melnyczok is a single mother. Her daughter is her life's joy. In June 2015, Ashley is murdered in her Colorado Springs home. While hunting for clues, police hunt down a cast of dangerous characters and uncover a heinous plot.

January 2013, high school freshman Shaniesha Forbes' body is found on a Brooklyn beach. NYPD Detectives begin piecing together her final moments and discover her social media life including a list of 1,600 Facebook friends and potential suspects.

November 2014, Tiffanie Adams' body is found in a field. A small town sheriff must retrace the expectant mom's steps to catch a cold blooded killer. Her online life points the way to a dark secret and a ruthless murderer.

In early August 2015, Jeffrey Kebler is found dead in his Clinton County, MI home. In order to track down his killer, detectives must follow a digital trail left by the victim. What they end up uncovering is way more than they bargained for.