Four new stories about the master detective Sherlock Holmes. The Blue Light Sherlock Holmes and cocaine. What lies behind the addiction? Boredom? Or the difficult search for the big score? The Red Gemstone An Indian ruby is stolen and hidden so well that no one can find it. A case for the master detective. The Green Haze Can Dresden's Green Vault be robbed? Or can Sherlock Holmes prevent it? The Yellow Drop For Sherlock Holmes, Irene Adler was always the woman of his life. Therefore, after years, he can finally fully solve the case of "Scandal in Bohemia."