From the moment she glimpses her idol at the stage door, Eve Harrington is determined to take the reins of power away from the great actress Margo Channing. Eve maneuvers her way into Margo's Broadway role, becomes a sensation and even causes turmoil in the lives of Margo's director boyfriend, her playwright and his wife. Only the cynical drama critic sees through Eve, admiring her audacity and perfect pattern of deceit.
New York chorus girl Cindy Lou Bethany becomes frustrated when she prepares for an audition for a Broadway musical, but the auditions close and her roommate, Gwen Abbott, is hired to be secretary to Top Rumson, the show's financial backer. Gwen tells Cindy that the director, Lloyd Lloyd, and composer, Dick Rayburn, have been sent to the South on a talent search for a classic Southern belle type to star in the show, although their shows usually feature Myra Stanhope, an actress whose style is hopelessly inappropriate for this show. Desperate for work, Cindy returns to her aunt Lily Lou and uncle Jefferson Davis Bethany's home in the South and schemes to get Lloyd and Rayburn to audition her.
A group of dancers congregate on the stage of a Broadway theatre to audition for a new musical production directed by Zach. After the initial eliminations, seventeen hopefuls remain, among them Cassie, who once had a tempestuous romantic relationship with Zach. She is desperate enough for work to humble herself and audition for him; whether he's willing to let professionalism overcome his personal feelings about their past remains to be seen.
On the set of a playwright's new project, a love triangle forms between his wife, her ex-lover, and the call girl-turned-actress cast in the production.
A young soprano becomes the obsession of a disfigured and murderous musical genius who lives beneath the Paris Opera House.
A duo of street performers learns how sound and picture work together to create amazing cinema experiences.