Would love to hear contributions from those more knowledgeable. But let's start with the best and most obvious answer:
Jekyll and Hyde is a story about men.
1/
Stevenson's Victorian London is a stuffy, claustrophobic web of professional men, deeply enmeshed in each other's lives but essentially unknown to each other.
2/
3/
4/
5/
6/
7/
8/
9/
It certainly heightens the dramatic effect: there is no release valve for the intense, repressive, interwoven relationship between these men. There is no domestic space in which they reveal their true characters.
10/
11/
Thanks for reading.
12/12