In Thailand in the 1950s, Detective Au Wei is shot to death by Cha Tin-Hung in a raid because of Cha's involvement with black market diamonds and jewelery. Wei's daughter Chun Chun swears revenge, helped by Wei's friend Yeh Tai-kor, a professional con-man.

After almost dying in a freakish accident, wealthy widow Wang Kam decides she needs a will. But unfortunately she does not have any hiers.