Unjustly imprisoned. After summoning to examine a fake patient; The doctor Wattuna finds himself arrested on the charge of intentional killing of an elderly woman. He is imprisoned in Halaway Prison and the evidence is stretched against him, Warson's only hope is for Sherlock Holmes to reveal the identity of the real killer, but the appearance of a speech connecting Watson with notorious gangs and blackmail that forces Holmes to use his genius to save his friend from the gallows.