This document provides initial ideas for the characters, locations, music/sound, and editing for a film noir opening sequence. It suggests including gangsters, journalists, politicians, lawyers, police officers, detectives, and femme fatales as characters and using locations like warehouses, police departments, abandoned houses, run-down housing estates, hotels, diners, crime scenes, train stations, and bars or social clubs. It also recommends using traditional string soundtracks, jazz music, piano, saxophone, synthesized music, incidental music, ambience, and gunshots for the music and sound. The editing ideas include slow motion, camera filters, jump cuts, reverse editing, black and white, and fade ins and outs.