Elias leaned in. A hand—pale, thin, and possessing too many joints—reached out from the darkness of the doorway and gripped the frame. It didn't pull the door open further; it simply held on, the fingers twitching in a sequence that looked like a coded message. The Glitch

Elias turned around slowly, but the vent was screwed shut, just as it had always been. However, when he looked back at his computer, the file 0087b.avi was gone. In its place was a new file, already recording: 0087c.avi .

Elias tried to pause the video, but the player ignored his commands. His monitor began to emit a low-frequency hum that vibrated the pens on his desk. On the screen, the hand in the doorway let go and the door swung wide.