One such speculative work is the upcoming movie called Mr. Holmes -- and let us not forget the long-lost and now found story that was thought to be one of Doyle's, but now seem to be concluded otherwise. Back to the movie, it will be starred by Sir Ian McKellen and you can watch the trailer below.
Watch the new trailer of Mr. Holmes, starring Sir Ian McKellen.
An aged, retired Sherlock Holmes looks back on his life, and grapples with an unsolved case involving a beautiful woman.
Mr. Holmes premiered at the Berlin International Film Festival, but will be released in theaters on June 19, 2015.