A family of four is found dead inside a partially burned Indiana home; when investigators discover that two of the victims died from gunshot wounds, the race is on to determine whether the killer was a stranger or someone closer to home.
In 1999, a family of 5 vanishes from their home in rural Wisconsin; when remains are discovered in their burned-out car, the community is on edge with rumors of occult killers, while the investigation leads to a sinister conclusion.
After the bodies of an Ohio mother and her two daughters are found in the Tampa Bay waters in June of 1989, detectives launch a multiyear, painstaking investigation that finally leads them to an elusive and unexpected killer.