An anthropologist named Cathy travels to Bali with her lover to conduct research on black magic. There, they encounter the queen of the Leák cult, a shapeshifting witch who feasts on blood and soon makes Cathy carry out her evil deeds.

Sanwani’s mother is too ambitious. She even dominates her children. In three months, Sanwani, the director of a company, has to get married. And her daughter Pratiwi is betrothed to Paijo, Sanwani’s friend. But Sanwani’s wedding has to be postponed for a year because of venereal disease. Together with Slamet, Sanwani has to receive daily injections by Poltak the head nurse.

An anthropologist named Cathy travels to Bali with her lover to conduct research on black magic. There, they encounter the queen of the Leák cult, a shapeshifting witch who feasts on blood and soon makes Cathy carry out her evil deeds.