"Thank you," the voice chirped, and for a moment following it there was a tense silence.
Then, abruptly, there was a hissing noise as clouds of smokey gas began to flood the room. Had they all lost? It wasn't until each of them had lost consciousness that the door opened, and several figures in gas masks entered the room.
Coulson surveyed them silently. He all ready knew who it would be. He'd known from the start, but this was important. Unflinchingly, he withdrew his gun and fired a single shot.
The observers once again left the room, and slowly the smoke cleared. It would be a several hours before the guests would awaken.