Whisper to a Scream is the prequel to Scream 4. It is written by Kevin Williamson and directed by Wes Craven. Two years before Jill Roberts became the Ghostface serial killer there was another serial killer called the Woodsboro stalker killing kids. Sidney, Gale, Ethan, Annie, Hayley, Marcie, Alice, Sophie, Trixie, Marnie and Trevor are not in this movie since this is not a Ghostface movie.