[A chuckle is tucked away into the confines of gloved fingertips.] Poison gas certainly would put a damper on the festivities, wouldn't it? We should definitely table that one for now; we can circle back to revisit it if it turns out the party drags too much without a bit of playful murder between friends.

[He hooks a thumb beneath his chin, contemplative as he chews lightly on the leather-clad second knuckle of his index finger.]

How about the plot-hook where two individuals just so happen to be in the vicinity of each other when a third party stumbles upon them, mistaking an innocent exchange for a romantic rendezvous?