By the early 20th century, the swimming regimen she used to combat childhood polio had turned Australian teenager Annette Kellerman (Esther Williams) into a national champion. As she followed her music teacher father (Walter Pidgeon) to Britain, her gifts caught the eye of ever-hustling American James Sullivan (Victor Mature), who set out to make her a cultural sensation on two continents. Ideally tailored biographical vehicle for Williams co-stars David Brian, Jesse White, Maria Tallchief.