Crystal Rogers, mother of five, vanishes, leaving her car abandoned in Bardstown, Ky.; a year later her father is shot dead while searching for her; there are multiple cases in a small town shrouded in secrets, and haunted by unsolved killings.

Stephanie and Dwayne look through Tommy Ballard's box of papers and evidence in Crystal's case.

The FBI grills the brother of Crystal's boyfriend, Nick Houck, a Bardstown police officer; Stephanie and Dwayne follow a search of a lake where cadaver dogs pick up a scent; exploring the scene of a deadly ambush on the Bluegrass Parkway.

An FBI profiler offers chilling insights on a potential killer; family members of Bardstown's other victims speak; a mysterious white car is possibly linked to Crystal's disappearance.

With the first anniversary of Tommy Ballard's killing approaching, Stephanie and Dwayne dive deeper into the unsolved cases after a new witness steps forward; an unexpected new lead takes them in an unforeseen -- and intriguing -- direction.

Stephanie and Dwayne speak with an informant who shares new information about the crimes in Bardstown; they follow up on the informant's claims and discover potential new details unknown to investigators.