1) There is something wrong w/ Spike (or maybe it's Xander) & somehow Spike ends up at Xander's apartment
2) Spike has a hope that Dru will come fix his problem?
3) The end of the story has a ritual performed by Dru and a blonde vamp that leaves a ritual symbol burnt into the wood floor of Xander's apt
4) I thought it was by tabaqui, but I can't find it.
5) It was multi-serial