Enola Holmes is on the case, when a young porter, the boy in buttons, disappears without a trace. Enola Holmes, the much younger sister of Sherlock and Mycroft, owns a building in the heart of 19th-century London, a place she uses under pseudonyms to front for her investigative work. Employed there is a porter, Joddy, a young boy in a uniform festooned with buttons, whose even younger brother substitutes for him when he's sick. But, Paddy disappears...

While fourteen-year-old Enola Holmes endeavors to save her friend Lady Cecily Alistair from an unwelcome arranged marriage, she meets with some assistance from her older brother, Sherlock, and interference by the eldest, Mycroft.

Llegan las aventuras de Enola Holmes, la hemana pequeña del célebre detective Sherlock Holmes. Londres, 1889. La hermana pequeña del célebre Sherlock Holmes, Enola Holmes, ha decidido vivir sola a raíz de la repentina desaparición de su madre. Tras escapar de la vigilancia de sus hermanos, y al amparo de una identidad falsa, monta un gabinete como «especialista en investigar todo tipo de desapariciones». Para su sorpresa, su primer cliente...

Enola Holmes—younger sister to Sherlock Holmes—is back on another case! As Enola searches for the missing Lady Blanchefleur del Campo, she discovers that her brother Sherlock is just as diligently searching for Enola herself! Sherlock and Enola must solve a triple mystery: What has happened to their mother? And to Lady Blanchefleur? And what does either have to do with their brother, Mycroft? "Flat-out among the best mysteries being written for...

Pursued by her much older brother, famed detective Sherlock Holmes, fourteen-year-old Enola, disguised and using false names, attempts to solve the kidnapping of a baronet's sixteen-year-old daughter in nineteenth-century London.