A TV special featuring the 'Bell Witch,' a vengeful spirit who has wreaked havoc in the hills of northern middle Tennessee for nearly 200 years; 'Eastern State Penitentiary,' where disembodied voices cry out for help; 'Mercy Brown,' a New England teenager whose body was mutilated after she died of tuberculosis, because she was believed to have resurrected to feed on her own family; 'Emily's Bridge' a Vermont bridge where the spirit of a suicidal 19th century woman comes appears in the darkness to wait for her lover; and 'Hammond Castle,' whose former owners never left their beloved compound on the rocky Massachusetts coast.