Chapter 1 - The Clear Insert

The air in the dimly lit bedroom tasted of old polish, warm lamp oil, and sheer panic. My fingers, encased in blue latex gloves, moved with an instinctive urgency born of a dozen midnight emergencies. Beneath my hands, the middle-aged man in black silk pajamas gasped, his chest heaving under the weight of an invisible anchor. His dark slicked-back hair was damp against the white linen pillow, and his goatee twitched with every strained, rattling breath he dragged into his lungs. Across the room, framed by the heavy wooden paneling, the young man in the sharp black suit stood rigid, his white shirt collar gleaming in the amber bedside glow. His face was a mask of intense, cold concern.
"Put the mask back on him," the suited man demanded, his voice dropping an octave with controlled authority.
I ignored him, my focus locked entirely on the patient's cyanotic lips. I pressed the clear medical oxygen breathing mask firmly back over his face, securing the elastic strap behind his head. The rush of life-saving air hissed into the chamber, filling the transparent plastic with gentle condensation. The man’s dark eyes rolled upward, wide and terrified, staring up at me as his respiratory rate began to stabilize from a dangerous flatline curve.
"Your oxygen is dropping," I said, keeping my tone steady to anchor him through the vertigo of near-suffocation.
As his breathing slowed into a ragged rhythm, my gloved fingers checked the junction where the flexible delivery line met the wall valve. Something felt wrong. The tactile feedback through my rubber fingertips was off by a fraction of a millimeter—a subtle internal ridge where smooth laminar flow should have been absolute. Without thinking, I twisted the plastic collar and disconnected the primary feed. Tucked deep inside the transparent coupling was a foreign obstruction, no larger than a shirt button, perfectly molded to match the inner diameter of the tubing.
I plucked the tiny object out with two fingers, holding it up to the warm bedside lamp. It was a clear plastic insert, expertly machined, completely invisible unless the line was dismantled.
"This doesn't belong here," I whispered, turning the small piece over in my gloved palm.
The patient blinked rapidly, his chest rising and falling in shorter, sharper breaths. He stared at the object in my hand as if it were a venomous insect. The fear in his strained facial features shifted into something colder, something heavy with the weight of old grief.
"What is it?" he rasped, his voice cracked and dry, reaching out a trembling hand toward my wrist.
"RRC," I read aloud, squinting at the micro-engraved letters stamped into the edge of the clear plastic disc.
The man froze. The color drained entirely from his already pale face, leaving him chalky against the dark silk of his pajamas. The name hung in the quiet air between us, heavy and toxic. He looked from the plastic insert up to my eyes, his expression turning utterly desolate.
"Where did you find that?" he asked, his voice barely audible above the hum of the oxygen concentrator.
"Inside your breathing tube," I replied, my stomach dropping into a cold knot.
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He closed his eyes for a long moment, a single tear cutting through the stubble of his cheek. When he opened them again, the shock had hardened into a bitter, terrifying realization.
"My brother passed away wearing one," he said.