After reporter Lisa Wallace publishes an article on her mother’s murder, the killer resurfaces hinting at a kidnapping. Lisa and Detective David Burkely start investigating, connecting the killer to the disappearance of a women named Amy Reynolds.

Lisa’s article is leaked, criticizing the Gardaí for not acting on Amy’s disappearance. David and Detective Brennan chase a lead, Mark Bulger, in Castlemoy. Impatient with the police’s pace, Lisa risks her life to uncover what Bulger is hiding.

David tries to get a statement from Teresa and a confession from Bulger, while Lisa investigates if Bulger could be the killer. Susan pleas for information from the Gardaí when an anonymous caller claims to have information on Amy.