Geraldine Bainbridge is well known among her fashionable circa-1889 London set as an heiress, a philanthropist, and a supporter of highly unsuitable causes, including women's rights. Fiercely independent, she is proud of having arrived at the age of 73 without ever having been, in her words, "netted and mounted." But when a mysterious letter arrives from India - sent from a long-ago lover now jailed for the murder of his wife- even Gerry's friends...