The daughter of a distinguished soldier, Bess Crawford follows in his patriotic footsteps, volunteering to serve her country as a nurse during the Great War. In 1916 she promises Lieutenant Arthur Graham that she will carry his dying request to a brother. When Bess arrives at the Graham house in Kent, Jonathan Graham listens to his brother's last wishes with surprising indifference.

Years before the Great War summoned Bess Crawford to serve as a battlefield nurse, the indomitable heroine spent her childhood in India under the watchful eye of her friend and confidant, the young soldier Simon Brandon. The two formed an inseparable bond on the dangerous Northwest Frontier where her father’s Regiment held the Khyber Pass against all intruders. It was Simon who taught Bess to ride and shoot, escorted her to the bazaars and the Maharani’s Palace, and did his best to keep her out of trouble.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

Maisie Dobbs got her start as a maid in an aristocratic London household when she was thirteen. Her employer, suffragette Lady Rowan Compton, soon became her patron, taking the remarkably bright youngster under her wing. Lady Rowan’s friend, Maurice Blanche, often retained as an investigator by the European elite, recognized Maisie’s intuitive gifts. The outbreak of war changed everything. Ten years after the Armistice, in the spring of 1929, Maisie sets out on her own as a private investigator, one who has learned that coincidences are meaningful, and truth elusive.

A reluctant ex-spy with demons of her own, Elinor finds herself facing down one of the most dangerous organized crime gangs in London, ultimately exposing corruption from Scotland Yard to the highest levels of government. The private, quiet “Miss White" as Elinor is known, lives in a village in rural Kent, England, and to her fellow villagers seems something of an enigma. Well she might, as Elinor occupies a "grace and favor" property, a rare privilege offered to faithful servants of the Crown for services to the nation.