Sing and Mei are two siblings with special powers which the former uses to gamble. When both are unavailable, a gangster hires Fanny, a con artist, to compete in a gambling competition.

Carol Cheng
as Fanny

Anita Mui
as Mei

Richard Ng Man-Tat
as Uncle San

Sandra Ng Kwan-Yu
as Ping

Shing Fui-On
as Brother Shaw

Jeffrey Lau Chun-Wai
as Chan Chung

Kenny Bee
as Bee

Yuen Wah
as Sifu Wu Lung Lo

Lowell Lo Koon-Ting
as Tai

Paul Chun Pui
as Hung Kwong