Think about the following questions :

 Why do you think so many people enjoy mystery novels and films ?
 Who is your favourite detective ?

Watch this video about Sherlock Holmes’s presence in London

Watch the video presentation of the PS4 game :

Watch the trailer of the 2020 Netflix film Enola Holmes :

Watch the trailer of season 1 BBC series "Sherlock"

Present these videos and show how these "Sherlock Holmes" versions are both faithful to the original story and definitely modern.