An ageing Sherlock Holmes reflects on his life as he revisits an unsolved case with the help of a young boy., Director Bill Condon puts a spin on Arthur Conan Doyle’s most celebrated character with Mr. Holmes, which stars Ian McKellen as the famous detective. The set-up is that a now-retired Holmes, his steel-trap mind starting to fade with old age, lives out his golden years in the late 1940s. He returns from a trip to Japan searching for a plant that could slow the aging process and help him regain the faculties he knows he’s lost. While there, he witnessed first-hand the result of America’s bombing of Hiroshima, which has put him in a contemplative state. He lives with his devoted housekeeper Mrs. Murno (Laura Linney), and her son Roger (Milo Parker), who turns out to be of great help when the detective reopens his investigation into the case that led to his retirement., An aging Sherlock Holmes reflects on his life as he revisits an unsolved case with the help of a young boy., In this fascinating character study, a 93-year-old Sherlock Holmes, now battling dementia, struggles to recall a case from 35 years earlier that caused him to retire and retreat to the coast of Dover, England. He is aided in his research by a curious 10-year-old boy he has taken under his wing., A 93-year-old Sherlock Holmes, now battling dementia, struggles to recall a case from 35 years earlier that caused him to retire and retreat to the coast of Dover, England. He is aided in his research by a curious 10-year-old boy he has taken under his wing.