Lau Ching, a Mainlander with an incredibly powerful right arm, arrives in Hong Kong to find his cousin. He befriends with a drifter named Handsome, and a martial artist girl named Mandy. In order to woo her, Ching participates in a fighting competition in hopes of winning a $10 million prize, and must defeat his love rival, Wai, in the ring.
周星馳
as Lau Ching
鍾鎮濤
as Handsome
張敏
as Mandy Fok
元奎
as Master Fok Wan
尹揚明
as Cheng Wai
成奎安
as Master Chiu Tung
Tung Chi
as Keung
Pak Man-Biu
as Bill
李兆基
as Boss Hung
夏志珍
as Flute Ping
陳敬
as Boss Leung
Hoh Dung
as Loong
