Sunset Boulevard is a classic film noir directed by Billy Wilder, examining the dark side of Hollywood and the price of fame.
The film opens with the shocking image of Joe Gillis's dead body floating in a swimming pool.
The story unfolds through a series of flashbacks narrated by Joe's ghost.
Joe is a down-on-his-luck screenwriter unable to find work in Hollywood, desperate for money, and stumbles upon the decaying mansion of Norma Desmond.
Norma, once a renowned silent film star, is cared for by her loyal Butler Max and writes fan letters to herself, maintaining the illusion of her continued fame.
Norma and Joe help each other edit a screenplay, a comeback vehicle she hopes will restore her to stardom.
Joe meets a young aspiring writer named Betty Shafer who works at the studio and is engaged to his friend Artie Green.
Joe becomes increasingly uncomfortable with Norma's possessiveness and refusal to accept the reality of her fading career.
Betty is impressed with Joe's writing and encourages him to collaborate on a screenplay with her.
Joe attracted to Betty and wanting to escape Norma's oppressive grip begins to work with Betty secretly at night.
Norma becomes increasingly suspicious and jealous when she discovers Joe's secret collaboration with Betty and calls Betty, revealing the truth about their living arrangement.
Betty disillusioned by Joe's deception leaves him.
Joe finally realizing the hopelessness of his situation decides to abandon Norma and return to his hometown.
Norma having learned of Joe's plan to leave her shoots him as he attempts to walk away.
Joe falls into the swimming pool and the scene returns to the opening image of his lifeless body floating in the water.
The police and news media descend upon Norma's mansion drawn by the sensational murder in her delusional state.
Norma mistakes the cameras for those of a film crew and delivers a final chilling performance as she descends her grand staircase.
The film ends with Norma's famous line, "All right, Mr. DeMille, I'm ready for my close-up."