London, 1925. Glamorous medium Gloria Sutter made her fortune helping the bereaved contact loved ones killed during the Great War. Now she's been murdered at one of her own seances, after leaving a message requesting the help of her former friend and sole rival, Ellie Winter. Ellie must delve into Gloria's secrets. Worse, she cannot shake the attentions of handsome James Hawley, a damaged war veteran who has dedicated himself to debunking psychics. As Ellie's partnership with James turns dangerously intimate, an insidious evil force begins to undermine their quest for clues.