The DoomTrack

Chapter 1 - Concluded
A key is lifted from a steel table and slipped into a jacket pocket. Click. Hiss. A door softly closes.
Click. Click. Hiss. A powerful furnace shuts down. A door softly swings open. A key is deposited onto a steel table.
A blue envelope changes hands in the East Hall of Building #7. Echoing footsteps fade in opposite directions.