Walking into the small convenience store, the opening image is of a young cashier named Sarah, her warm smile brightening the dimly lit space as she goes about her duties, scanning items, and handing over receipts to customers. The quiet hum of the refrigerators and the beeping of the register create a soothing background noise, a stark contrast to the chaos that is about to enter Sarah's mundane working day.

During yet another ordinary shift, a catalyst unravels in the form of a mysterious customer. As the line shortens, the man comes forth, his eyes a curious mix of intensity and intrigue, standing out in the sea of familiar faces. Sarah, a gentle soul with a keen eye, hands him his receipt, and a small piece of paper flutters to the ground, unnoticed by all...