Tsang Kin is the leader of drug trafficking in Hong Kong. He fled to Thailand in a hurry because he was chased by the police led by Xiao Hong and Ida, leaving his mistress Carry in Hong Kong. A few years later, Zeng Jian returned to Hong Kong as a Thai overseas Chinese named Sahua, and Carry had married Superintendent Jin Zhiyuan. Zeng was very angry when he found out, so he set up a gambling game to deceive Zhiyuan...