Jeanette MacDonald and Lew Ayres make strange bedfellows in the overproduced MGM musical Broadway Serenade. She plays aspiring singer Mary Hale, and he plays her husband, struggling songwriter James Geoffrey Seymour. The couple's vaudeville act breaks up when Mary is hired for a big-time Broadway revue. As she rises to the top of the show-business heap, Seymour hits the skids, having lost his inspiration. On the verge of divorcing Seymour to marry a wealthy producer, Mary finally realizes that her life will be incomplete without her husband by her side. Saving the film from drowning in a sea of cliches are Jeanette MacDonald's musical renditions, not to mention the comedy relief of Frank Morgan and veteran vaudevillian Al Shean.