A Certain Darkness

In the thrilling start to the 1920s, former Secret Service agent Verity Kent and her husband, Sidney, find their quiet life disrupted as they face new dangers from their past. When Sidney is asked by French authorities to assist with a treason suspect who is soon assassinated, Verity investigates the murder of a Belgian lawyer connected to British Intelligence that initially appears to be revenge. As they uncover links between their cases, they realize they must confront a cunning adversary in a battle that stretches beyond the official end of The Great War.