Traveling incognito, Mary Russell and her spouse, Sherlock Holmes, head for India to search for a missing spy, the famous orphan who inspired Rudyard Kipling's "Kim," and find themselves caught up in a dangerous intrigue.

"Bombay, New Year's Eve, 1949. As India celebrates the arrival of a momentous new decade, Inspector Persis Wadia stands vigil in the basement of Malabar House, home to the city's most unwanted unit of police officers. Six months after joining the force she remains India's first female police detective, mistrusted, sidelined and now consigned to the midnight shift. And so, when the phone rings to report the murder of prominent English diplomat Sir...