A Shepherdstown resident calls the police when she hears a gunshot in the center of town, but Chief King investigates and finds no evidence of foul play. When he is unable to find anyone else who remembers hearing the shot, he hands the case over to Nick, Bill and Elizabeth. The resident confides in the team that she has recently also felt a constant sensation of being watched. Soon, the team realizes her stalker might be from beyond the grave and pieces together a shocking tale that reveals a disturbing link between the resident and the grisly murder of a young woman...