*modly note* I originally linked this rec to a locked version of it on the author's LJ, so I had to take it down again. However, I tracked down the same fic on
primeval_denial , which hopefully most readers will be able to access, so here it is:
elfinessy 's
A Play On Romeo and Juliet, which is PG rated slash and angst, and contains character death related to episode 3.03. It's also brilliant.