With Rezvan's death his nephew Betty comes to Iran from abroad to sell the lands she has inherited from him. Fahim wants the lands for himself but Bahram is preventing him. This put them to confront each other while Betty too falls in love with Bahram.
Sam Moran is a Honolulu charter-boat captain who leads fishing expeditions in the tropical paradise. When his daughter is found murdered at the party of a wealthy young playboy, he seeks the truth about the murder.
Centring on the legend of the four ancient Chinese heroines, the film was a novelty for audiences at the time, as the singing performance was in Cantonese and used huangmei operatic rhythms—a popular trend in the 1960s, yet it retained traditional flavours by using operatic luogu percussion in the battle scenes.