Obbligato 12, with even more party guest!
This is Sherlock's slightly older cousin, Jean-Pierre (his boyfriend is the one with the ridiculous hair). He is an insanely successful film and theatre producer in Paris. In his life, he has managed to get into WAAAAAAAAAY more trouble than Sherlock ever has.
Specifically for that reason, Sherlock adores him.
Click Jean-Pierre
for Chapter 12