Each episode will feature British investigative journalist Julie MacDonald and American psychic medium and ex cop, Bobby Marchesso. They will look into the lives of one infamous serial killer per episode, tracing their lives and attempting to spiritually communicate with these tortured souls, perhaps haunting the locations they frequented when they were alive. Julie and Bobby will track the lives of serial killers Ted Bundy, Aileen Wurnos, Albert DeSalvo (The Boston Strangler), John Wayne Gacy, Jeffrey Dahmer, Richard Trenton Chase, Belle Gunness and Charles Starkweather, visiting the locations where these renowned serial killers lived, worked and preyed on their victims.