When a man that Joan Watson had employed as a secret mole inside Morland Holmes' organization is murdered during a robbery, Joan and Sherlock suspect that he was actually the target and begin investigating, searching for proof that Morland was behind the man's death.
Did You Know?
The title of this episode is contained in the lyrics of the disco song Sherlock plays part way through the show: "Turn the Beat Around" sung by Vicki Sue Robinson released in 1976. While there were a few other successful cover versions of the song released over the years, it is Ms. Robinson's version heard here. See more