In the lush tropical forests of South America, a penal colony for women is beneath the cruel hand of the sadistic Muller. A new camp doctor arrives and learns that Muller’s perverse methods have resulted in the prisoner’s complete fear and distrust of all men. Soon the young doctor becomes involved with the beautiful Vivien and her lover, the statuesque Zoyra. When the doctor aids in the women’s escape, a dangerous pursuit ensues, with a sack of priceless emeralds in the balance!.