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.