After being humiliated by her boyfriend (Michael Chow), Stephen goes out and seeks the services of an aging kung-fu master (Ng Man Tat) who teaches him a half ass style of kung fu Karate Kid style.

• 剧情描述一个送外卖的小伙子碰到美女之后展开热烈追求，不料出现身手不凡的情敌，小伙子乃展开中国古拳法来对付对方的日本空手道。