This is the moment that defined the keyword .
Consider the camera. The shutter isn’t the lens, the film, or the sensor. It’s the bouncer at the velvet rope of light. For a fraction of a second—1/1000th of a second, sometimes just 1/8000th—it steps aside and lets reality pour in. In that sliver of time, a hummingbird’s wings freeze mid-stroke, a droplet of milk becomes a jeweled crown, and a sprinter’s face distorts into a mask of pure, animal effort. The shutter doesn’t capture time. It slices it. shutter.2004
Here's a brief summary:
The horror begins the next morning. Tun, a professional photographer, starts noticing strange "flare" artifacts appearing in his developed photos—misty, white shapes that distort the image. Initially, he blames faulty equipment. But the specter follows him home. This is the moment that defined the keyword