The series is mainly set in the modern day London. We still have 221B and, of course, Mrs Hudson (Una Stubbs) as well as our other favourite characters such as D. I. Lestrade (Rupert Graves), Mycroft Holmes (Mark Gatiss) and James "Jim" Moriarty (Andrew Scott).
P2: Have you herd of Sherlock? (mwhahaha)
P1:No. Is it good?
P2: It's amazing
P1: I guess I'll watch it then, thanks.
*Person 2 is laughing because, Person 1 has no idea what they are getting themselfs into
Me: Just gonna watch some Sherlock!
Mom: *Throws laptop on the floor* NO!