They are the families listed in the exclusive and discriminatory Green Book created by the niece of Edith Roosevelt's social secretary. They have old money and manners, but when one of their own is found murdered, everything about their legacies is called into question.
"A compulsively readable novel in the vein of The Bonfire of the Vanities--by way of The Nest--about what Washington, DC's high society members do away from the Capitol building and behind the closed doors of their suburban mansions"--