His mouse moved on its own. It clicked open the developer console—a black window full of code he didn’t understand. Strings of numbers. Then a webcam light on his laptop flickered on. Red. His actual, real-life camera.

Leo clicked.

The laptop screen went white. Leo felt a strange pull behind his navel, like falling up. He tried to scream, but his voice turned into a laggy, digital stutter— “h-h-h-h-elp” —and then the sound cut out.