Staying Alive - Sherlock (BBC)

Only four people know of the true state Sherlock Holmes was in just before he met John Watson. The darkness, the drugs, the voices, her. You could argue that her death triggered it. Now that John has left Sherlock to live with his wife it is inevitable that Sherlock will go back to how he was. Until somebody knocks on...

Orphan on Baker Street

Mickey is an orphan who plays her violin on the street to earn money. When she hears gunshots, she chases an odd pair towards the sound. She later finds out that this was the perfect way to escape the orphanage - and enter a life of crime solving.