Supt. Walter Tso of the Hong Kong Police Department hires the "Five Lucky Stars" once again to help the daughter of cheated gambler king Lui Tin, Tso's good friend, defeat the swindling Sheung Kun Fan-Fa in the ultimate gambling match. The "Five Lucky Stars" are joined by beauty queen Françoise also hired by Tso, to undergo gambling training. Meanwhile, Fastbuck, one of the "Five Lucky Stars," is on medical leave in China. As a result, his Buddhist monk cousin, Leung, joins the gang in the gambling challenge.