Public Security officers investigate the robbery of a post office and the injury of a young woman.

Shi-Jie is a brilliant martial artist from the Kung Fu School. One day, he encounters a group of youths playing basketball and shows off how easy it is for him, with his martial arts training, to do a Slam Dunk. Watching him was Chen-Li, a shrewd businessman, who recruits him to play varsity basketball at the local university.