Alchemy

When someone starts killing London's homeless, Sherlock Holmes sets out to solve the series of grisly murders, taking her best friend and business partner Jane Watson along for the ride. The killer makes it clear he has a vendetta against Sherlock, and as she pursues him, she discovers there's more to the case than meets the eye. While struggling to identify the murderer, Sherlock's close friendship with DI Lestrade reaches a crossroads, and she faces an unprecedented challenge: romance.