An unconventional marketing expert arrives in Australia to boost sales for a Coca-Cola subsidiary. His quest leads him to a remote valley where an elderly man produces his own soft drinks, revealing a complete lack of market presence. Determined to understand the situation, the guru tours the man's operation, sparking discussions about a potential partnership. Complications arise when he develops feelings for his temporary secretary, who has mysterious ties to the valley, adding layers of personal and professional conflict to his mission.