In this modernized version of the Conan Doyle characters, using his detective plots, Sherlock Holmes lives in early 21st century London and acts more cocky towards Scotland Yard's detective inspector Lestrade because he's actually less confident. Doctor Watson is now a fairly young veteran of the Afghan war, less adoring and more active.
Did You Know?
The role of Molly Hooper was never in the books or short stories and was only meant to be a one-off character to further indicate Sherlock's lack of social skills, particularly addressing any romantic encounters. However, Steven Moffat
and other producers loved Louise Brealey
's performance so much that they decided to expand her character. See more
In the American (PBS Masterpiece Mystery) broadcasts of this series, certain letters in the closing titles are highlighted red. These letters spell out a word that somehow relates to the episode. These highlighted letters don't occur in the closing credits of the original airings of the series (on BBC) though. See more