Queen’s Gambit

In 1897 London, Margaret Harkness, struggling with health and finances, is drawn into a tense espionage plot involving the German government, anarchists, and a mysterious assailant armed with a silent air rifle. As she allies with Inspector James Ethington and his daughter, Elizabeth, Margaret faces a dangerous game of pursuit and deception that threatens the Queen's Diamond Jubilee, placing everyone involved in a high-stakes and suspenseful confrontation.