Set in the vibrant world of early 20th-century American music, the story follows the rise of songwriting duo Bert Kalmar and Harry Ruby. Bert is an aspiring magician whose career is abruptly halted by an unfortunate injury. While recovering, he turns to songwriting and meets pianist Harry Ruby through a mutual friend. As they begin collaborating, their distinct talents quickly complement each other, with Bert providing witty lyrics and Harry composing catchy melodies. The duo finds themselves working their way from small-time vaudeville shows to more prestigious venues, capturing the attention of producers and vaudeville stars alike. Their shared ambition, dedication, and humor fuel their journey through the ups and downs of the entertainment industry. Personal challenges arise that test their friendship but are often softened by the camaraderie and light-hearted moments they share.

As success mounts, the pair faces tension due to Bert's desire to revive his magic act and Harry's growing affection for Eileen, a dancer whom Bert once had romantic interest in. Professional rivalries and personal dilemmas threaten to undo their collaboration, and they must navigate these intricacies while staying true to their authentic selves. They encounter a cast of colorful characters who influence their path and contribute to the lively atmosphere of show business during that era. Through the trials of partnership and friendship, each man is drawn toward separate roads, reflecting on what truly matters in their lives amid the laughter, music, and spectacle of the world they love.