A low, vibrating rumble shuddered through the concrete floorboards as the headlamps of an inbound train pierced the dark curve of the subterranean tunnel, casting a harsh yellow glare across the waiting crowd. The ambient murmurs of tired commuters instantly gave way to the metallic screech of grinding steel against old iron rails. Amidst the shifting sea of charcoal suits, two transit guards in slate-grey blazers detached themselves from the structural pillars, their sharp, unblinking gazes sweeping methodically over the platform. Their eyes snagged instantly on the heavy, unyielding canvas messenger bag slung across Ryan's hip—the precise contour of the hidden notes pressing against his ribs like a beacon under the harsh fluorescent lights.
With a heavy, pneumatic hiss, the commuter train slid to a halt right on cue, its sliding doors parting to exhale a cloud of warm, oily cabin air. The crowd surged forward instinctively, a wall of tired bodies pushing toward the threshold, but the two guards stepped into the gap, their boots clicking sharply against the floor tiles as they began moving directly toward him. Ryan kept his head down, smoothing the lapel of his suit jacket with the practiced, absent-minded patience of an office worker eager to catch his evening connection. As the gap in the crowd opened for a fraction of a second, he slipped sideways through the sliding doors just as a heavy hand reached out toward his shoulder, leaving him safely inside the carriage as the automated chimes sounded and the doors sealed shut behind him.