In the video, the camera glided forward with impossible smoothness. It passed the kitchen, where a bowl of cereal sat on the counter—the same one Arthur had finished twenty minutes ago. The video Arthur watched himself from behind, sitting at his desk, the blue light of the monitor illuminating his hair.
Arthur shouldn't have clicked it. He knew the rules of the late-night internet: don't open unknown attachments, and never trust a file with a name that sounds like a cough in a graveyard. But curiosity is a heavy weight.
On the screen within the screen, the Arthur in the video turned around, looking directly into the camera lens with wide, pale eyes that didn't match his own.
It was his own hallway, filmed from the perspective of the front door.
The email had no subject line and was sent from an address that was just a string of thirty-two random digits. Inside, there was only one attachment: .
When the video player opened, the screen stayed black for ten seconds. Then, a low, rhythmic hum filled his headphones—a sound like a massive industrial fan turning underwater. The visuals finally flickered to life, showing a grainy, handheld shot of a hallway Arthur recognized instantly.