As a teenager and student at a convent school, young Mariana runs away with her boyfriend, provoking the wrath of her father who sends her to Switzerland for ten years.
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.
Plutarco Satan returns, this time he's pitted against a rival evil organization intent on owning the very formula rumored to turn any metal into gold! Dr.