Orphan girl grows up to take revenge on the men who killed her parents.

The Panther women are worshipers of Satan and perform rituals in their honor and sacrifice. The fighters will face them up and down the ring.

Myra, daughter of the circus king, has been kidnapped in South America. Or so her father believes. In reality, Miss Shumway has escaped into the Indian jungle in the company of a conjurer. Millan, a mischievous and adventurous journalist, tracks down the young woman in the Indian sector of Tamazunchale. They get to know each other and Myra tells the young man what drove her to flee her father. But she's run out of money and expects her adventure to come to an end soon. Then she meets a man named Doc, who suggests she contact an old Indian sorcerer.