No matter how improbable

A certain amount of celebrity is inevitable when you're Sherlock Holmes's granddaughter, especially when you're also a consulting detective. But for Portia Adams, it's getting to be a little much. She decides to escape the rabid London press by chasing a case all the way to Italy. When she gets back, it seems that the media frenzy has finally run its course - but now she's got bigger things to worry about. Sherlock Holmes is missing, his apartmen...