Long buried secrets finally come to light as someone has been playing a very long game indeed. Sherlock and John face their greatest ever challenge. Is the game finally over?
Long buried secrets finally come to light as someone has been playing a very long game indeed. Sherlock and John face their greatest ever challenge. Is the game finally over?
Benedict Cumberbatch , Martin Freeman , Mark Gatiss
David Luther
BBC , Hartswood Films
as Sherlock Holmes
as John Watson
