Baker Street mystery's

Sherlock Holmes is missing.  Billy Chizzel who is employee in Holmes´ household, search in some of Londons darkest parts of the town to find Holmes. In his search for Holmes he meets Potts, Edie, Sam and Titch. They want to help him in his search for Holmes. When they were searching for Holmes they all got very close to each other. Their  gang name is irregular. And in their way we have the dragon clan trying to stop them.