Emma Doyle has worked in the group of Sherlock Holmes’ street informants since childhood. She is so observant and smart that by the age of fifteen she can expose even the most skillful fraudster and find any information.
After the death of the famous detective, Emma moves to Shanghai together with her older sister, hoping that there she will be able to begin a new life. She gets a job as a maid at the “Belgravia” hotel, makes interesting acquaintances—and… encounters a mysterious murder again. But this case turns out to be far more complicated and tangled than the previous one.