Sunset Boulevard (1950), directed by Billy Wilder and starring Gloria Swanson and William Holden, is a savage satire of Hollywood told by a dead screenwriter floating in a swimming pool. Faded silent film star Norma Desmond — one of cinema's great grotesques — hires him to rewrite her comeback script and refuses to let him leave.

Why It Matters

• Gloria Swanson's performance as Norma Desmond is among the greatest in Hollywood history
• The opening narration from a corpse was so audacious that Louis B. Mayer reportedly told Wilder he should be tarred and feathered
• Remains the most merciless dissection of Hollywood's relationship with fame, delusion, and discarded talent

Wilder's film uses the noir structure — cynical narrator, femme fatale, doomed protagonist — to autopsy an industry he both loved and despised. Its final shot is among the most indelible in cinema.

Reference:

Wikipedia: Sunset Boulevard

https://en.wikipedia.org/wiki/Sunset_Boulevard_(film)