Folge 7.

The stars of Sherlock talk about the women in the life of TV's greatest detective. Sherlock Holmes may be great at solving mysteries, but he's clueless about women. We launch an investigation into the women in Sherlock's life. Mary Morstan is marrying his best friend. Irene Adler stole his heart. He doesn't know Molly exists. And Mrs Hudson's always there to pick up the pieces.