This is totally not my fault.
I just re-read "Lost Soul" and there's a bit in there that put me in mind of another fic that I can't remember.( BTW Sparrow 2000 I've bookmarked your rec list and it's from there that I went back to "Lost Soul") Annnyway. All that I really remember is it being Spander. Spike and his sire arrive at the Harris home to do a bit of arse-kicking on the old man and he offers Xander in exchange for his life. Whic just p!$$e$ off the vampires even more as Xan and Spike are already involved in a relationship. I can't remember anything else. I think that Angel may have been there to help his childe with the torture because of the chip, but I'm not certain.