After meeting a doomsday author, Lori Vallow's descent into darkness results in a trail of broken lives and dead bodies, including her two children.

A Connecticut town is rocked when a mother of five disappears; the main suspect in her murder, her husband, uses his wealth to gain leniency and derail the case.

A young veteran from Georgia disappears after a bipolar episode; when the case goes cold, Nancy Grace joins the investigation and ensures a conviction, but an unexpected plea deal may hide the truth and prevent justice from being served.

A young woman's body is found by her own father, in a park near their home in Queens; after DNA evidence helps the NYPD lock in on a suspect, a judge's decision to suppress evidence leads to a mistrial, jeopardizing a possible conviction.

A young couple is murdered in Knoxville, Tenn; their bodies are found brutally tortured; the family's suffering doesn't end there, as it soon learns that a corrupt judge may prevent the five evil perpetrators from being brought to justice.

A quadruple homicide is discovered in the ashes of a D.C. mansion fire; a small piece of evidence points to a monster with a grudge, a violent past, and a long rap sheet; a nationwide manhunt ensues to finally bring the killer to justice.

A beloved family man is murdered in a small Midwest town; cops try to find his missing wife before she meets the same fate; another homicide occurs.

After Pfc Vanessa Guillén goes missing and the Army leave her family out of the investigation, they hire a private search team. The mystery deepens when another soldier dies.

Newlyweds disappear on the night of a family birthday; everyone fears the worst; the case then takes an unexpected turn when cops discover the husband had an illegal drug business and his associates likely hold the key to that night.

North Dakota State Troopers arrive at a fatal car crash; the gory scene leaves them questioning whether it was an accident or intentional; after interviewing the lone survivor, a terrifying history of violence and death is uncovered.

In a sleepy Ohio community, three women are killed during home invasions; they all have one thing in common; they were once married to the same man.