In North Port, Florida, police get a call that a young mother has vanished from her home. A trail of incoming 911 calls leads officers on a hunt for her abductor.

When two women die suddenly under mysterious circumstances, authorities initially suspect suicide. However, both of their families believe it was murder.

A 22-year-old National Guard officer with a bright future drowns in water only a few inches deep. Later, a 13-year-old cheerleader disappears.

A month after 17-year-old Kara goes missing, Kelsey is abducted in a car park. When a body is discovered by a lake, two families are locked in a grim waiting game.

Niqui goes missing three weeks before her wedding day. Suspicion falls on her fiancé, until her case is linked with the unsolved murder of another young woman.

Thirty years on, Sharon Morris still wonders why former boyfriend and multiple murderer Anthony Fiebiger didn't kill her when he had the chance.

Jeanne Avsenew and her son Peter were close, but as Peter matured, his obsession with death grew. Then one day Jeanne finds a bullet with her name on it.

When two teenage girls discover they are dating the same boy, they go to war with each other on social media and in real life, with tragic consequences.

A shooting in a luxury building sends shockwaves through an upscale neighbourhood. Detectives uncover a list of suspects and a plot born out of economic envy.

Robert Sharp is a retired professor living in Michigan. When he is found brutally murdered with the body burned, police wonder who could be responsible.

When motorists discover the bodies of a man and woman along I-85, detectives uncover a psychopath with a penchant for guns and violent fantasies.

When a young woman vanishes, investigators quickly zero in on her estranged husband and uncover a psychopath who cannot tolerate rejection.

In the competitive world of Dallas high school basketball, someone kills rising star Troy Causey, sending detectives in search of answers.

While on a walk, a North Carolina teen vanishes, and as the search unfolds, her friends' shifting stories raise troubling questions.

Sonja Holt begins to suspect that her fiancé is living a secret double life. But she can't imagine how far he will go to keep people from finding out.

When motorists discover the bodies of a man and woman along I-85, detectives uncover a psychopath with a penchant for guns and violent fantasies.

When a young woman vanishes, investigators quickly zero in on her estranged husband and uncover a psychopath who cannot tolerate rejection.