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? 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?