In the heart of Hollywood, a colorful international crowd gathers for the Masters of Musical Whistling, a competition where passion is the only true currency. Behind the scenes, founder Carole Anne Kaufman—also known as the “Whistling Diva”—juggles financial worries, technical chaos and bruised egos, determined to give her beloved art form the stage it deserves.

Director Christopher Nelius approaches his subjects with a sharp sense of humor and deep tenderness. Without ever slipping into caricature, he crafts a layered portrait of driven individuals who find recognition and connection within this niche community.