A circus ringmaster Weiwei is left on it's own with gorilla lingling after Rocco goes off. Thanks to her grandfather's love for baseball, Ling-ling is promoting extraordinary hitting abilities and has been trained to play with with baseball. The materialistic sports representative Sung Chung-Su learns of the remarkable gorilla, also signs Ling-ling to play in the specialist South Korean baseball league. Dreaming of victory, World gorilla pinch hitter and his 15-year old trainer begin on their run in the Korean Baseball League.