Hidden by his invisibility, Stan silently followed Dr. Frank back to his office, his movements cautious and deliberate. He paused just outside the door, watching as the doctor stepped inside and immediately twirled in a disturbingly cheerful manner.
Dr. Frank hummed a jaunty tune, his grin wide as he moved about the room. He grabbed a file from his desk, spun on his heel, and danced his way to the other side. Stan, watching from the doorway, cringed internally, feeling secondhand embarrassment.
"Good, good! Now everything can proceed smoothly," Dr. Frank said, clapping his hands together with satisfaction. He leaned over his desk and pressed a button on his phone. "On to the next item."
Stan's eyes darted around the room as the mirror display screens mounted on the walls flickered. The reflective surfaces dimmed, their facade melting away to reveal what was hidden behind them: shelves stacked with vials upon vials of crimson liquid.