The document outlines a psychological thriller opening sequence called "WHO?". It will follow two couples where the antagonist, who has a secret obsession with the protagonist, attacks the protagonist. The sequence will begin with the protagonist walking alone and injured the next morning, then use flashbacks to show clues about what happened the night before. It discusses the genre, inspirations, locations, production roles, and that it will likely receive a 15 BBFC rating due to strong language, sexual references, and violence.