Sally is sixteen, and she’s extraordinarily beautiful. Her knowledge of literature, languages, and music leaves much to be desired—yet she can run a business, ride a horse skillfully, and shoot a pistol with pinpoint accuracy. When her father dies under mysterious circumstances, Sally is left alone in foggy London. She’s in danger, even though she doesn’t suspect it. Just as the smog over the city thickens, so does the secret—from the solution of which her life depends.
And it’s all because of a sinister secret locked inside a ruby.