A mother and her 12-year-old son Dre move from America to China, where the young boy finds it hard to fit in and is badly bullied. He learns to defend himself and overcome his insecurities by learning martial arts with the help of the maintenance man, who also just so happens to be a kung fu master. Before long, he is putting his new-learned skills into very real practice as he is challenged to fight at the Kung Fu Championships.