Episode 1 - Six Statues of Margaret Thatcher - Chinese student and his wife Mary are preparing to face the biggest challenge in life - becoming parents for the first time. However, this does not bring a happy ending. Mary replaces SherlockBlocked a shot and died.

In the second episode - The Lying Detective - the new villain Culverton Smith appeared. Culverton Smith smiled eerily and said: “The best way to destroy your good friends is to tell them your most importantDark secrets.”

And Cullverton Smith is even worse than Magnussen and Moriarty.

In the third episode - the final puzzle - in order to save his friend, Sherlock's rewritten memory was painfully evoked, and he found and saved his sister.