All I Know Is That In The Third One, All Bets Are Off.

Sarah Darling: "Has there been another goddamn re-write? How the fuck are we supposed to learn our lines when there's a new script every 15 minutes?"
Ghostface: "It's not just a new script, it's a new movie."
Sarah Darling: "What movie?"
Ghostface: My movie. And it's called: 'Sarah gets skewered like a fucking pig!' Still in character... Sarah?"