Yunlan lifts the bottle in a salute, eyebrows quirking, and takes a sip.

"So. One of the kinds of vampire here has blood that can get you high. Side effects apparently include getting addicted the first time you try the shit, plus a psychic bond so the vampire whose blood you taste gets to know how you're feeling for the rest of your life.

"I ran across Tess helping a vampire friend of mine clean blood off his face after a little mishap... and she insisted on keeping the handkerchief with the blood on it. I had to frisk her to get the fucking thing, which is incidentally why I decided to hang onto her gun until I could drop it off with you."

Tess not being notably fond of frisking.