Billy Carter raises daughters Crystal and Misty in the Great Smoky Mountains of North Carolina; after a body is found on the scenic Blue Ridge Parkway, this family's piece of paradise becomes a nightmare they relive again and again.

Sharon Ord and her family leave Scranton, Pa., to start a new life in Florida; then one of them disappears, turning their dream of a new life into a nightmare.

On the Northern Cheyenne Indian Reservation, a young mother goes missing after the Fourth of July; when her body is discovered in the woods, the victim's family dig through the memories of their loved one to provide investigators with critical clues.

In Ohio, a woman is found stabbed to death in her kitchen after she fails to show up for work; her sister is able to help detectives solve the case after a family heirloom is discovered during the investigation.

In the coastal town of Leland, N.C., a missing woman is found dead in a swamp; as detectives speak with the victim's friends and family, they begin to unravel the truth behind a horrifying murder.

In Stamping Ground, Ky., a young woman's dead body is found late at night by her brother and father; when detectives learn the victim was pregnant, they consider it a motive for murder and begin a homicide investigation.