. For a movie to be considered an effective "text," it must meet these criteria:

Elias is a late-night broadcast engineer for Channel 7HD. His job is routine: monitoring the digital feed and ensuring the "Movie of the Week" airs without a glitch. However, during a 20th-anniversary screening of a classic thriller, Elias notices something impossible. Embedded in the 70/60 virtual channel [31] is a second, hidden video stream—a "ghost signal" that only appears during high-motion scenes.