Hot Set -

The crew froze. One of the prop letters—the one containing the "secret" that drove the movie’s plot—was sitting two inches away from its marked spot. On a Hot Set, this was a felony. It meant that when the film was edited together, the letter would appear to "jump" across the desk between shots, shattering the illusion for the audience.

The air in Soundstage 4 was thick with the smell of scorched ozone and overpriced espresso. Hot Set

Should something happen once the cameras start rolling? The crew froze