When Professor McGonagall went to visit Harry Watson, son of Mr. Sherlock Holmes and Dr. Watson, to deliver his Hogwarts letter, she was in the mindset of performing a familiar if stressful annual routine. Consequently, she was not prepared to find Harry Potter at 221B Baker Street. BBC Sherlock HP crossover AU

The Wizarding World is convinced of Voldemort's return a year early, but the Dark Lord is neither a fool nor one to let grass grow under his feet. Indeed, he has already started to cull out anyone who can work against him. Will Sherlock, John, and Harry defeat Voldemort and his schemes before it is too late? The sequel to A Study In Magic. Sherlock HP crossover