Raised by her mother on the family's country manor, Enola wakes on her 14th birthday to discover that her mother has disappeared, leaving only a collection of flowers and a coded message book. With Sherlock and Mycroft determined to ship her off to a boarding school, Enola escapes, displaying a cleverness that even impresses the elder Holmes. But nothing prepares her for what lies ahead. Her journey quickly leads her into the dark and sordid neighborhoods...

Ingeniosa y astuta, en el momento en que sus hermanos deciden mandarla a un internado huye de la mansión familiar con el firme propósito de dedicarse a dar con el paradero de personas desaparecidas y, a la vez, seguirle la pista a su madre. Sus investigaciones la llevarán a correr grandes peligros en los bajos fondos londinenses. ¿Conseguirá Enola salir de esta y esclarecer la desaparición de su madre, burlando a sus hermanos? Raised by her...