Haunted by the death of his wife Emily, the Duke of Oxford is an ardent pacifist, who has established a network of servant spies coordinated by his housekeeper Polly to relay intelligence that will prevent conflicts around the world. When a shadowy mastermind known as the Shepherd orders the assassination of the Archduke Ferdinand, the Duke rallies his troops including right-hand-man Shola and his headstrong 17-year-old son Conrad. Action adventure prequel, starring Ralph Fiennes, Gemma Arterton, Rhys Ifans and Harris Dickinson.