When the blood-smeared car of 27-year-old Stefanie Watson is found in a Maryland parking lot, her family holds out hope she's still alive; but when a jawbone is dumped in a local neighborhood, a missing persons investigation becomes a murder.

When 31-year-old Linda Slaten is brutally strangled in her Lakeland, Fla., home in 1981, a complex web of suspects emerges; the case takes a dramatic turn when a DNA hit exposes the sinister underbelly of a seemingly peaceful community.